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Harman Kardon AVR 125

Home theater receiver with Dolby Digital, DTS, and Dolby Pro Logic II

Item # 532AVR125

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Our take on the Harman Kardon AVR 125

Bring music and movie soundtracks to life with stunning Harman Kardon sound quality! The AVR 125 features H/K's high-current amplifier design, with 45 watts x 5 channels (or 55 x 2 stereo) driving all of your home theater speakers with authority. High-resolution 192kHz/24-bit digital-to-analog converters enable clean reproduction of today's cutting-edge digital sources.

Bring music and movie soundtracks to life with stunning Harman Kardon sound quality! The AVR 125 features H/K's high-current amplifier design, with 45 watts x 5 channels (or 55 x 2 stereo) driving all of your home theater speakers with authority. High-resolution 192kHz/24-bit digital-to-analog converters enable clean reproduction of today's cutting-edge digital sources.

Dolby® Digital and DTS® decoding deliver fantastic 5.1-channel sound from DVDs and selected satellite and digital cable programs. Dolby Pro Logic™ II and Harman Kardon's exclusive Logic 7® modes let you transform stereo music and Dolby Surround sources into convincing 5.1-channel sound. And if you don't have a home theater speaker system in place yet, H/K's VMAx virtual surround processing lets you enjoy surround-like effects using just 2 speakers.

You get plenty of connectivity for all your sources, including 6 digital inputs, 2 digital outputs, 4 A/V inputs with S-video, and a 5.1-channel analog input for a DVD-Audio or SACD player. Front-panel A/V, optical digital, and coaxial digital inputs provide quick hook-up of gear such as camcorders, video games, and portable audio players. You also get a handy remote that's pre-programmed to operate other brands of A/V gear.


  • 55 watts x 2 (stereo) into 8 ohms (20-20,000 Hz) at 0.07% THD — or 45 watts x 5 into 8 ohms (20-20,000 Hz) at 0.07% THD (surround mode)
  • Dolby Digital, DTS, Dolby Pro Logic II
  • Logic 7 Cinema and Music modes
  • VMAx virtual surround mode
  • 192kHz/24-bit D/A converters
  • multibrand remote
  • digital inputs: 3 optical, 3 coaxial (1 of each on front panel)
  • digital outputs: 1 optical, 1 coaxial
  • 2 audio, 4 A/V (including 4 S-video, 1 front-panel, and one 5.1-channel) inputs
  • no phono input
  • high-current, ultrawide-bandwidth amp design
  • preamp-level subwoofer output
  • binding posts for all speakers
  • 1 set of main speaker outputs
  • 30 AM/FM presets
  • 17-5/16"W x 6-9/16"H x 15-3/4"D
  • warranty: 2 years

What's in the Box:

  • AM/FM/Dolby Digital/DTS/Dolby Pro Logic II receiver
  • AVR 125 Wireless remote
  • 3 "AAA" batteries
  • 5' FM wire antenna
  • AM loop antenna
  • Owner's Manual
  • Warranty sheet
  • "Important Safety Precautions" sheet

Hands-on research

Features and Specs

Number Of Channels N/A
Stereo RMS Power (watts) ---
THD in Stereo ---
Frequency Bandwidth (stereo) ---
Minimum Impedance L/R 8 ohms
Minimum Impedance Center 8 ohms
Minimum Impedance Surround 8 ohms
General Features
Internet-ready ---
Bluetooth No
Apple AirPlay ---
App Remote Control No
USB port for iPod/iPhone No
FM Sensitivity 13.2 dBf
HD Radio Tuner No
On-Screen Display No
Auto Speaker Calibration ---
HDCP 2.2 for 4K Video No
HDR-compatible No
HDMI Standby Pass-through ---
Composite Video Conversion ---
Component Video Conversion ---
HDMI to HDMI Upconversion ---
DLNA Certified
MHL-compatible ---
Multibrand Remote Control ---
Learning Remote No
LCD Remote
Width (inches) 17-5/16
Height (inches) 6-9/16
Depth (inches) 15-3/4
Weight (pounds) ---
Parts Warranty 2 years
Labor Warranty 2 years
Multi-room Audio--Video
Powered Multi-room Audio Output No
Preamp Multi-room Audio Output No
Multi-room Video No
Multi-room HDMI Output No
Surround Processing
Dolby Digital Yes
Dolby Atmos N/A
Inputs & Outputs
Phono Input No
Audio-Video Inputs 4
Audio-only Inputs 2
Component Video Inputs None
Component Video Monitor Outputs None
Optical Digital Inputs 3
Coaxial Digital Inputs 3
Optical Digital Outputs 1
Coaxial Digital Outputs 1
HDMI Inputs ---
HDMI Monitor Outputs ---
Subwoofer Outputs 1
Multi-Channel Analog Input No
Multi-channel Preamp Output No
Main Speaker Output Pairs 1
Main Speaker Terminals Posts
Ethernet Port ---
USB Connections None
Removable Power Cord ---

Product Research

Remote Control


High Instantaneous Current Capability (HCC) Amplifier(+/- 25 amps): The built-in amplifier has high-current capability to handle demanding loads. The AVR 125's powerful amplifier uses traditional Harman Kardon high-current design technologies to meet the wide dynamic range of any program selection, allowing it to effortlessly power the most dynamic digital sources.

192kHz/24-bit Digital-to-Analog Converters: 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.

5.1-Channel Input:In addition to the built-in decoders, this unit also has a 5.1-channel input for use with external multi-channel decoders.

Dolby Pro Logic II: Pro Logic II is a Dolby Laboratories technology that produces surround sound from any stereo source, including CDs, VHS tapes, and TV programs. Like Dolby Digital, Dolby Pro Logic II has stereo surround output, giving you a more realistic surround sound experience. Unlike Dolby Digital, Dolby Pro Logic II allows you to enjoy a "5.1-like" presentation using any analog stereo source. Pro Logic II includes a Movie mode, Music mode, and Emulation Mode (recreates the standard four-channel Pro Logic decoding mode).

Logic 7 Decoding: An exclusive Harman Kardon surround process, Logic 7 is implemented as two separate modes: Logic 7 M for Music and Logic 7 C for Cinema. Logic 7 M, designed to be used with analog or PCM stereo sources, enhances the listening experience by presenting a wider front soundstage and greater rear ambience. Logic 7 C, designed to be used with any source that contains Dolby Surround or similar matrix encoding, delivers increased center-channel intelligibility and more accurate placement of sounds with fades and pans that are much smoother and more realistic than with other decoding techniques.

VMAx: Another H-K exclusive, the VMAx mode delivers a three-dimensional sound space with the illusion of "phantom speakers" at the center and surround positions when only the two front-channel loudspeakers are used. VMAx N, or "Near Field" mode should be selected when your listening position is less than five feet from the speakers. VMAx F, or "Far Field" mode should be selected when your listening position is greater than five feet from the speakers.

Surround Modes:

  • Dolby Digital
  • DTS
  • Dolby Pro Logic II
  • Logic 7 (Cinema and Music)
  • Theater
  • Hall (1 and 2)
  • VMAx (Near and Far) 

Night Mode Setting: The Night mode is a feature of Dolby Digital that uses special processing to preserve the dynamic range and full intelligibility of a movie sound track while reducing the peak level. This prevents abruptly loud transitions from disturbing others, without reducing the sonic impact of a digital source. Note that the Night mode is only available when specially encoded Dolby Digital signals are played.

Stereo-Direct Mode: This mode enables you to preserve all the subtleties of older analog, two-channel sources by bypassing the digital processor, preserving the analog format of the audio signal for its entire path of travel through the receiver to the speaker and subwoofer outputs.

Stereo-Digital Mode: This mode enables you to apply digital bass management to optimize the distribution of the low frequencies between the main speakers and the subwoofer. It can be used with either a digital or analog input signal.

System Configuration Memory: The AVR 125 features an advanced memory system that enables you to establish different configurations for the speaker configuration, digital input, surround mode, delay times, crossover frequency and output levels for each input source. This flexibility enables you to custom-tailor the way in which you listen to each source and have the AVR 125 memorize those settings. Once these settings are made, they will automatically be recalled whenever you select that input.

Display Dimmer: The display brightness may be set to full intensity, half intensity or off.

Memory Backup: This unit is equipped with a memory backup system that preserves the system configuration information and tuner presets if the unit is accidentally unplugged or subjected to a power outage. This memory will last for approximately two weeks, after which time all information must be reentered.

Remote Control

AVR 125 Multibrand A/V Remote: The AVR 125 comes with a powerful remote control that will control not only the receiver's functions, but also most popular brands of audio and video equipment, including CD players, cassette decks, TV sets, cable boxes, VCRs, satellite receivers and other home-theater equipment.

Macros: Five macros, consisting of as many as 19 button operations each, can be programmed into this remote: one that is associated with the Power On Button, and four more that are accessed by pressing the Macro buttons. With the press of a single button, each macro will perform a series of up to 19 button operations in sequence.

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