Audio Features
Video Features
Remote Control
Add-on Devices

Audio Features

Amplifier Section: The Marantz SR6004 A/V Surround Receiver features an 110 watts x 7-channel all discrete amplifier. The amplifier section features seven voltage feedback modules mounted in-line on an extended array of aluminum fins for maximum heat dissipation. It also employs a massive EI power transformer in combination with oversized filter capacitors. This design configuration is capable of a clear and powerful reproduction of the most demanding action movie soundtracks and full range multi-channel music discs. Through its ability to generate very high output voltages, the unit can easily drive the most demanding speaker with optimum results.

Front Panel Design: The receiver's front panel features a combination of aluminum extrusion and glass-reinforced resin which shields internal circuitry and absorbs internal and external resonances.

Separate Audio Circuit Board: The Marantz SR6004 features a totally separate audio circuit board to isolate any noise created from the unit's video processor.

24-Bit, 192 kHz D/A Converters: The SR6004 uses 24-bit/192-kHz Digital-to-Analog converters for all channels. The 192kHz sampling and 24-bit word length capabilities of the DACs allows you to play high-resolution recordings and hear the increased clarity, detail and dynamic range of those recordings.

Digital Signal Processing (DSP): The Marantz SR6004 is equipped with a high-resolution TI Aureus 32-bit floating point Digital Signal Processor (DSP). All elements of the Surround Processor are optimized to the highest standards by the use of selected high performance and discrete components, particularly the A/D and D/A converters and the sophisticated DSP surround decoder. The SR6004 is equipped with various surround modes to reproduce a variety of surround sound effects, according to the content of the source to be played. The receiver features Dolby Pro Logic IIx, Dolby Digital, and DTS decoders.

• Auto Surround: When this mode is selected, the unit determines whether the digital input signal is Dolby Digital, Dolby Digital Surround EX, Dolby digital Plus, Dolby True HD, DTS-HD, DTS, DTS-ES, DTS 96/24, or PCM audio.
• Dolby Digital: Dolby Digital is a 5.1 multi-channel digital surround format.
• Dolby Digital EX: Dolby Digital EX is a 6.1 multi-channel digital surround format.
• Dolby Digital Plus: Dolby Digital Plus is an improved Dolby Digital surround format that is compatible with up to 7.1-channels of discrete digital sound and also improves sound quality due to extra data bit rate performance.
• Dolby TrueHD: Dolby TrueHD is a high definition audio technology, using lossless coding technology to faithfully reproduce the sound of the studio masters.
• DTS Digital Surround: DTS Digital Surround is a 5.1 multi-channel digital surround sound format used for both commercial/theatrical and consumer grade applications.
• DTS-ES Surround: DTS-ES features two 6.1 multi-channel formats: DTS-ES Discrete 6.1(6.1-channel discrete digital audio format adding a surround back channel to the DTS digital surround sound) and DTS-ES Matrix 6.1 (discrete 6.1 channel digital audio format inserting a surround back channel to the DTS surround sound through matrix encoding)
• DTS Neo:6 Surround: DTS Neo:6 is a matrix decoding technology for achieving 6.1-channel surround playback with 2-channel sources. You can choose from two DTS Neo: 6 Surround formats - Neo: 6 Cinema and Neo: 6 Music. You can also adjust the Center Gain to expand the sound image from the center channel.
• DTS 96/24: DTS 96/24 is a digital audio format enabling high sound quality playback in 5.1-channels with a sampling frequency of 96 kHz and 24 bit quantization of DVD-video.
• DTS-HD High Resolution Audio: DTS-HD High Resolution Audio is an improved version of the conventional DTS, DTS-ES and DTS 96/24 signal formats that is compatible with sampling frequencies of 96 or 48 kHz and up to 7.1-channels of discrete digital sound. High data bit rate performance provides high quality sound.
• DTS-HD Master Audio: DTS-HD Master Audio is a lossless audio format compatible with up to 96 kHz and up to 7.1-channels. The lossless audio coding technology faithfully reproduces the sound of the studio master.
• DTS Express: DTS-Express is a low bit-rate encoding technology supporting up to 5.1 channels with fixed data transfer rates.
• Neural Surround: Neural Surround has been adopted by XM Satellite Radio for digital radio broadcasts of XM HD Surround recordings and live events in surround sound. Neural Surround employs psychoacoustic frequency domain processing which allows delivery of a more detailed sound stage with superior channel separation and localization of audio elements.
• Dolby Pro Logic IIz Height: Dolby Pro Logic IIz Height is designed to more effectively use existing program material when height channel speaker outputs are present. Dolby Pro Logic IIz Height can be used to upmix a variety of sources from movies and music, but are particularly well-suited to up-mix game content.
• Dolby Pro Logic IIx: Pro Logic IIx expands any existing stereo- or 5.1-channel audio for a 6.1- or 7.1- channel playback, creating a seamless, natural surround sound-field that immerses you in the entertainment experience. Dolby Pro Logic IIx has 5 modes:
  • Movie: This mode provides 6.1 or 7.1 channel surround sound from Dolby Surround, encodes stereo movie soundtracks.
  • Music: The Pro LogicIIx-Music mode creates a rich and enveloping ambience from stereo sources such as CDs. In this mode, the SR6004 includes three controls to fine tune this sound-field.
    • Panorama: Panorama wraps the sound of the front left and right speakers around you, for an exciting perspective.
    • Dimension: This feature adjusts the sound-field either towards the front or towards the rear of your system. This can be useful to help achieve a more suitable balance from all the speaker with certain recordings.
    • Center Width: The Center Width feature allows you to gradually spread the center channel sound into the front left and right speakers.
  • Game: This mode restores the impact low-frequency surround effects by routing them to the system's subwoofer.
• Circle Surround II (Cinema/Music/Mono): Circle Surround is designed to enable multi-channel surround sound playback of non-encoded and multi-channel encode material. Backward compatibility provides listeners with up to 6.1 channels of surround performances from an entire collection of music and film, including broadcast, video tape, and stereo recorded music. Depending on source material , you can select Cinema, Music or Mono mode. Circle Surround also offers the following parameter adjustments.
  • TruBass: TruBass produced by your speakers is an octave below the actual physical capabilities of your speakers adding exciting, deep bass effects.
  • SRS Dialog: This feature allows dialogue to easily be discerned from the surround audio effects.
• Dolby Virtual Speaker: Dolby Virtual Speaker technology use proprietary technology of Dolby Laboratories to create a virtual surround sound-field using only two speakers for the front channels, allowing the user to experience sound as if surround speakers were actually being used.
• Dolby Headphone: This mode simulates the waveforms of the actual sounds heard from the speakers when listening to the receiver's audio through a connected pair of headphones.
• HDCD: When listening to HDCD recordings, you hear more dynamic range, a focused 3-D sound stage, and extremely natural vocal and musical timber.
• Source Direct: In the Source Direct mode, the tone control circuit and bass management configuration are bypassed for full-range frequency response and the purist audio reproduction.
• Pure Direct: The Pure Direct mode further reduces sources of noise in addition to effect of the Source Direct mode, by blocking output from the video jacks and turning of the unit's display.
• Stereo: This mode bypasses all surround processing. In stereo program sources, the left and right channels play normally when PCM audio or analog stereo is input. With Dolby Digital and DTS sources, the 5.1 channels are converted to two channels stereo. 96kHz PCM source material can be played back in stereo mode.
• Multi-Channel Stereo (Music or Movie): This mode is used to create a wider, deeper and more natural soundstage from two channel source material. This is done by feeding the left channel signal to both left front and left surround speakers and the right channel signal to both right front and right surround speaker. Additionally, the center channel reproduces a mix of the right and left channel.

Auto MultEQ Setup: This Audyssey MultEQ technology adapted by this receiver provides the best listening environment for multiple listeners. The Auto MultEQ Setup feature of the SR6004 measures sound characteristics of your speaker system and room where the receiver is used and automatically optimizes settings. To do this, the Auto Setup feature measures a test tone emitted by each channel in a maximum of 6 listening positions, using the supplied microphone. The measurement results are analyzed using an original algorithm and environmental settings are made to improve the sound characteristics of your listening area.

Audyssey Dynamic EQ: Audyssey Dynamic EQ solves the problem of deteriorating sound quality as volume is decreased by taking into account human perception and room acoustics. Audyssey Dynamic EQ works in tandem with Audyssey MultEQ to provide well-balanced sound for every listener at any volume level.

Audyssey Dynamic EQ Adjust: Audyssey Dynamic EQ is referenced to the standard film mix level of 85dB SPL for -20 dBFS. Due, to the lack of standard outside the film industry, the film reference level may not be appropriate when listening to other material. Audyssey Dynamic EQ Adjust provides three offsets from the film level reference (5dB, 10dB, or 15dB) that can be selected when the mix level of the content is not within the standard.

Audyssey Dynamic Volume: Audyssey Dynamic Volume solves the problem of large variations in volume level between television programs, commercials, and between the soft and loud passages of movies. Audyssey Dynamic EQ is integrated into Dynamic Volume so that as the playback volume is adjusted automatically, the perceived bass response, tonal balance, surround impression, and dialogue clarity remain the same. The amount of compression can be set to an of the following three levels - Light, Medium, or High.

Acoustic EQ: The A/V receiver features 5 Acoustic Equalizer modes to choose from.

• Audyssey: This mode adjust the frequency characteristics of all speakers so as to create the best listening environment for the sound characteristics of your listening area.
• Front: This mode matches the characteristic of each speaker to those of the front speakers.
• Flat: This mode flattens the frequency characteristics of all speakers. It is suited for playback of multi-channel music such as Dolby Digital and DTS.
• User: This mode independently adjusts the receiver's 9-band graphic equalizer (63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz) for each of the 7 channels.
• Off: The graphic equalizer is not use.

HT-EQ: The tonal balance of a film soundtrack will be excessively bright and harsh when played back over audio equipment in the home. This is because film soundtracks were designed to be played back in large movie theater environments. Activating the receiver's HT-EQ feature when watching a film made from movie theaters corrects this and restores the correct tonal balance.

Surround Channel Level: The channel level can be independently set for Multi-Channel Stereo, CSII and other modes. You can adjust the Center level, Surround level and Surround Back level from -12 to +12 in 0.5 dB increments. The Subwoofer level can be adjusted from -18 to +12 in 0.5 dB increments.

LFE Level: This function selects the output level of the LFE signal included in the Dolby Digital signal or the DTS signal. You can select from 0 to -10 dB.

Night Mode: Useful at night or when loud noise is undesirable, this mode compresses the dynamic range, making it easier to hear quieter audio content without increasing the overall volume of your system. Night Mode is only effective for Dolby Digital content.

M-DAX: This function makes up for lost audio content in MP3 or AAC sources during playback.

Zone System: The SR6004's Zone System mode allows the same audio source or different audio sources to be heard in other rooms other than where the receiver is installed. The Marantz AV receiver features a Main Audio/Video Zone (Main), a second analog Audio Only Zone (Zone A) and a digital Audio Only Zone (Zone B). The Main Zone contains 7.1-channel playback of your audio/video gear in your main entertainment room. The Audio Only Zone A allows analog audio playback of another audio source connected to the receiver in another room of your home via left/right RCA audio output connections to a separate amplifier. The Audio Only Zone B allows digital audio playback of another digital audio source connected to the receiver in another room of your home via an optical digital output connected to a separate amplifier. The SR6004 AV receiver's Surround Back Speaker outputs can be assigned to Zone A so you can power a set of speakers in another room of your home without the use of a separate amplifier. You must turn off the Surround Back channels of the amplifier when using the receiver's multi-room speaker outputs, which will limit you to 5.1 channels in your main room.

Bi-Amp Connection: A bi-amp connection is possible with speakers that have two sets of inputs by combining the Front A and Surround Back speaker connections. This allows you to drive the treble and bass units with separate channels amps, which enable better sound quality. The surround back channels of the amplifier will need to be turned off to bi-amp your front speakers. This configuration will limit your Home Theater to 5.1- channel.

Digital Inputs/Output: There are 2 coaxial digital inputs and 4 optical digital inputs (one on front). The inputs accept digital audio signals from a compact disc, LD, DVD or other digital source component. There is also 1 optical digital output. The digital output can be connected to MD, recorders, CD recorders, DAT decks, or other similar components.

Preamp Outputs: The SR6004 features Front left, Front right, Center, Surround left, Surround right, Surround Back left, Surround Back right and Subwoofer preamp outputs to connect the receiver to external power amplifiers.

7.1 Channel Input: The SR6004 features a 7.1 Channel input (Front left, Front right, Center, Surround left, Surround right, Surround Back left, Surround Back right and Subwoofer) for connecting a DVD Audio player, Super Audio CD multi-channel player, or other component that has a multi-channel port so you can playback the audio with 5.1 channel or 7.1 channel surround sound. If you will not be using the 7.1 channel input with a multi-channel decoder, you can use the front and left inputs as an auxiliary input.

Speaker Terminals: The receiver has binding post speaker terminals for the front A, front B, center, surround, surround back, and multi-zone channels. The binding posts can accept bare wire, pin connectors, and single banana plugs. The terminals are spaced too far apart for dual banana plugs. The collar surrounding the binding post terminals prevent the use of spade connectors.

Headphone Output: The receiver features a 1/4" stereo headphone jack on its front panel for connecting a pair of optional headphones. The unit's speakers will automatically be turned off when a set of headphones are connected.

AM/FM Tuner: The Marantz SR6004 features a built-in AM/FM tuner which can automatically or manually store up to 60 AM/FM presets that can be labeled and viewed in a channel list.

Sleep Timer: The receiver offers a Sleep Timer which will automatically turn the unit off after 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, or 120 minutes.

Front Panel Lock: You can lock all the controls on the front panel of the unit, except for the Power button, to prevent anyone else from changing the settings on your receiver.

Memory Backup: This unit is equipped with a backup function to prevent memory data such as the preset memory from being erased.

Video Features

HDMI (version 1.3) Inputs/Outputs: This unit has 4 HDMI inputs and 2 HDMI outputs. The SR6004's wide-bandwidth HDMI circuitry is ready to bring you advances like Deep Color and xvYCC Color Space. The receiver can send digital video and audio signals from DVDs and other sources directly to your connected display. HDMI minimizes signal degradation caused by analog conversion so that high quality images can be enjoyed. The 4 HDMI inputs are assignable from the receiver's on-screen menu. The dual HDMI outputs cannot be used simultaneously. The unit offers two HDMI audio settings.

• Enable: Audio input to the HDMI jacks can be played back by the receiver; audio signals are not output to your connected television.
• Through: Audio input the HDMI jacks is not output from the speaker terminals of this unit; audio data is output directly to your connected television.

Component Video Inputs/Output: This unit has 3 component video inputs to obtain the color information (Y, Cb, Cr) directly from the recorded DVD signal or other video component; and one component video output to output the video signal directly into the matrix decoder of your television. By sending the pure DVD component video signal directly, the DVD signal forgoes the extra processing that normally would degrade the image. The result is vastly increased image quality, with incredibly life like colors and crisp detail.

Video Up/Down Conversion: The SR6004 can take an analog video input (composite, S-video, component) and up-convert it to HDMI so the video signal can be passed through the receiver's HDMI terminal to your television via a single HDMI cable up to 1080p. The SR6004 can also take any of the receiver's analog video inputs and up-convert or down-convert them to any of the unit's analog video monitor outputs (composite, S-video, component). The receiver's HDMI inputs cannot be down-converted. The HDMI inputs and monitor output will support 480p, 720p, 1080i, and 1080p video signals. The component video inputs and output will support 480i, 480p, 720p, and 1080i video signals. The S-video and composite video inputs and outputs will support 480i video resolution.

I/P Convert: The video circuit of the receiver is equipped with an I/P conversion feature. When this feature is active, 480i analog video signals input from a playback device can be converted to 480p and progressively output to the component video or HDMI monitor out terminals on the SR6004.

Auto Lipsync Correction: Video signals may take longer to process than audio signals depending on the connected video equipment. When the unit is connected to A TV or Projector which supports Auto Lipsync Correction in HDMI 1.3, audio and video can be automatically synchronized using this function. The Lipsync feature can also me set manually from 0 to 200 ms (in 10 ms steps).

Video Off: When no video signal is connected to the unit or all your video components are connected directly to your TV, the unnecessary video circuits can be turned off.

On-Screen GUI: The receiver incorporates an on-screen GUI (Graphic User Interface) menu system which makes various operations and menu selections visible on your connected television set. To view the on-screen GUI, you will need to connect the Monitor Out jack of the receiver to the composite, component video, or HDMI input of your television.

Front-Panel A/V Input: The receiver features a front-panel AV input which consists of a composite video, S-video, stereo RCA and optical digital jack.

Remote Controls

Learning Remote: The provided IR wireless remote control is a universal learning remote control with an easy to read LCD display. The remote control's buttons are backlit with a press of a button. This remote is preset with a total of 12 types of remote codes including Marantz TV, DVD, VCR, DSS, Tuner, CD/CD-R, MD, Tape, Aux1, Aux2, and amp. The remote also contains codes for other manufactures which can be programmed. In addition, the remote control is capable of learning and storing codes used by other remote controls. Lastly, the IR remote allows you to program Macros which make it possible to use a single function button to perform more complex series of operations that would normally require pressing several buttons. A single Macro can be programmed to perform u p to 10 steps in sequence.

Flasher In: This 3.5mm input is used to control the SR6004 from each of its zones from an external key-pad (sold separately)

DC Trigger Output: This 3.5mm output allows you to connect an external device so it can be turned on by the SR6004.

Remote In/Out: These RCA input/output connectors allow you to connect the SR6004 to a Marantz component equipped with remote control (RC-5) terminals.

RS-232C: The RS-232C port is to be used in conjunction with an external controller to control the operation of the unit by using an external device. The RS-232C port may also be used in the future to update the operating software of the unit so that it will be able to support new digital audio formats.

Add-on Devices

Bluetooth Wireless Receiver (RX101): The RX101 is a compatible A2DP/AVRCP profile Bluetooth Receiver for wireless music transmission and control.  The included RX101 Bluetooth adaptor lets you wirelessly enjoy files stored on most Bluetooth-enabled devices (including Blackberry, iPhone, and iPod touch) through the SR6004 AV receiver. The RX101 can pair up to 8 devices and provides a range of up to approximately 32.8'. The RX101 also acts as an IR (infrared) sensor, so you can place the AV receiver in a remote location and still maintain complete control.

USB Port: The SR6004 is equipped with a front-panel USB type-A port. Any USB media that complies with the USB Mass Storage Class standard can be used with this receiver. MP3, WMA, AAC and WAV music files recorded in FAT16 or FAT32 can be played through this unit. The receiver's remote control allows various playback functions of your USB media such as Play, Pause, Stop, Skip, Search, Repeat, and Random. Your USB device and its recorded audio must meet the following requirements to be connected to the Marantz SR6004.

iPod Compatible: You can also connect select iPods (5th generation and later) or an iPhone to the Marantz SR6004's front-panel USB terminal using your iPod/iPhone dock connector cable. The SR6004 supports iPod/iPhone audio playback, control, information display, and charging. You can choose to operate your connected iPod or iPhone using the receiver's remote control or the iPod's click-wheel/touch-screen. iPod/iPhone display information can be seen on the receiver's front-panel display or on-screen, when connected to a television. The Marantz SR6004 "Made for iPod/iPhone compatible" and supports the following iPod/iPhone model functions (Dec. 2009).

Satellite Radio Ready: The Marantz SR6004 supports both XM and Sirius Satellite Radio when used with an optional Satellite Radio tuner and antenna.

• XM Ready: The optional XM Direct 2 Home Tuner (220XHD2H1, sold separately) lets you enjoy XM Satellite Radio through the XM-ready receiver. Simply connect the XM direct 2 Home Tuner to the XM jack on back of the receiver, place and aim the included antenna for optimum reception, and you are ready to start enjoying commercial-free music, plus live sports, new, talk, and exclusive entertainment. During XM playback, you can display the channel number and name, category, artist name, and song title on the front panel.
• Sirius Satellite Radio Ready: The SR5004 can be also be connected to the optional SiriusConnect home tuner kit (607SCH1 or 220SCH2P, sold separately), allowing you to receive Sirius Satellite Radio through the receiver. The display shows channel name, number, category, artist, or song title.