About the Onkyo CS-N755
Enjoy more of your music
Enjoy more of your music
No matter what form your favorite audio entertainment takes — CDs, local radio broadcasts, your iPod®, smartphone, or Internet radio — the Onkyo CS-N755 will play it back with rich, clear sound. This versatile mini system packs the technology you need to enjoy all your tunes with ease. Its premium-quality design and compact size make it a perfect choice for highly enjoyable listening in smaller spaces.
Lots of ways to listen
The CS-N755's built-in Ethernet connection makes it easy to stream online subscription music services like Pandora® Internet radio, Rhapsody, and SiriusXM, along with thousands of free Internet radio stations. Plus, you can tap into your personal music collection from a network connected PC. A front-panel USB input lets you connect a select iPod® or iPhone® and control it using the Onkyo remote. You can also plug in a thumb drive loaded with music and enjoy your favorites that way. There's even a free downloadable Onkyo remote app that lets you turn your iPod touch®, iPhone, or Android™ smartphone into a cool touchscreen system remote. The disc player handles standard music CDs, as well as home-burned MP3 discs. And the system's AM/FM tuner features 40 station presets to keep you in touch with local news, weather, and music.
Small system with a big sound
With no shortage of music to play, you'll need a system with speakers that can handle the action. Each of the included speaker cabinets boast a 4" cone woofer for potent bass and clear midrange, and a balanced 1" dome tweeter to supply smooth treble with plenty of detail. The CS-N755's amplifier technology comes directly from Onkyo's high-end audio components, using a symmetrical channel layout and short signal paths to reduce unwanted noise and interference while delivering powerful, well-separated stereo sound.
Product highlights:
- plays online music services including Pandora Internet radio, Rhapsody, Slacker™, SiriusXM Internet radio, and AUPEO!
- access thousands of free Internet radio stations (vTuner)
- Ethernet port for connection to your wired home network
- add an optional Onkyo Wi-Fi® or Bluetooth® USB adapter for a convenient wireless connection
- front- and rear-panel USB inputs for music playback with a thumb drive, iPod®, or iPhone®
- drawer-type single-disc CD player
- plays audio CD, CD-R, and CD-RW
- AM/FM stereo tuner with 40 presets
- free downloadable Onkyo app lets you use your iPhone, iPod touch, or Android device as a touchscreen remote for the CS-N755
- 2-way speakers with 4" woofers and 1" dome tweeters
- 13 watts x 2
- front-panel minijack headphone output
- two sets of RCA analog stereo inputs for connecting additional audio components
- minijack auxiliary input
- optical and coaxial digital inputs
- RCA line-level output
- preamp subwoofer output for optional powered subwoofer
- remote control
- component block: 8-1/2"W x 4-5/8"H x 13-7/8"D
- speakers: 6-1/8"W x 9-5/8"H x 10-1/8"D
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # CSN755
What's in the box:
- CD receiver (CR-N755)
- 2 Speakers (D-055)
- 2 Grilles (installed)
- Remote (RC-850S)
- 2 "AAA" batteries
- 6' AC power cord
- Two 6' lengths of speaker wire
- AM loop antenna
- FM wire antenna
- 8 Self-adhesive feet
- Network CD Receiver Instruction Manual (En/Fr/Sp)
- Speaker System Instruction Manual (En/Fr/Sp)
- Product Registration/Warranty Information
- Network Service note
- iPod Connection note
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Audio Features
Disc/USB/iPod Playback
Network & Tuner Functions
Convenience Features
Audio Section
Symmetrical Designed Power Amplifier: The Onkyo CS-N755 is equipped with a 13 watt x 2 channel amplifier. Its symmetrical and uniform layout minimizes the chance of interference between left and right channels.
WRAT (Wide Range Amplifier Technology): WRAT is based around a low negative-feedback circuit topology that works to reduce signal noise and distortion across the frequency range. A "closed ground-loop circuit" design is employed, in which each circuit has a separate link to the power supply. This helps to cancel individual circuit noise and keep the ground potential free of distortion. High Instantaneous Current Capability (HICC) enables WRAT amplifiers to immediately cancel the speakers' reflex energy and instantaneously send out the next signal. The same high current better manages speaker impedance fluctuations, which can negatively affect performance.
3-Stage Inverted Darlington Circuitry: 3-Stage Inverted Darlington Circuitry is a core Onkyo technology incorporating a low-NFB (negative feedback) design that makes the sound more natural.
192kHz/24-Bit Audio DAC: The 192 kHz/24-bit audio DAC enables the best possible reproduction of standard and high-definition audio formats.
VLSC (Vector Linear Shaping Circuitry): Conventional D/A conversion methods reduce digital pulse noise at the conversion stage, but can't remove it completely. Previously only found on higher-end components, VLSC (Vector Linear Shaping Circuitry) employs a unique D/A conversion circuit to overcome this problem. Data is converted between sampling points and these points are joined with analog vectors in real-time to produce a smooth output wave form. The result is a virtually noiseless, smooth analog signal based on the digital source to bring out even the most subtle of nuances in your music, movie soundtracks, and even MP3.
Advanced Music Optimizer: While compressed music files may sound fine through the headphones of your portable digital player, the limitations of these files can be exposed when played back through a quality home entertainment system. This is because a significant amount of high-frequency bit information is lost during the file-compression process. To counter this, Onkyo has designed the Advanced Music Optimizer to compensate for lost bit information and improve the quality of compressed audio signals. This results in a clearer and more expansive sound. Also included in this technology is a loudness correction feature that further improves the audio character of compressed files. The Music Optimizer function only works with PCM digital audio signals with a sampling rate below 48kHz and analog input signals.
Tone Control + Phase Matching Bass Boost: You can independently adjust the Bass & Treble of the CS-N755 from -3 to +3 dB. Onkyo's Phase-Matching Bass Boost technology effectively preserves midrange clarity, allowing vocals and string instruments to sound natural while maintaining a smooth powerful bass response at all volume levels.
Direct Mode: When the Direct Mode is activated, the tone controls are bypassed, so you can enjoy the purest sound possible.
Analog + Digital Inputs: The Onkyo CS-N755 is fitted with both analog and digital audio inputs. There are 2 stereo RCA and one minijack (3.5mm) analog audio inputs. In addition, there is one optical and coaxial digital input.
Line Output: The CS-N755 is also fitted with an analog stereo RCA output for connecting a recording device.
Binding Post Speaker Terminals: There are color-coded, binding post terminals will accept bare-wire (up to 10AWG), pin-connectors, and banana plugs (single/dual).
Subwoofer Preamp Output: There is a mono RCA jack for connecting a powered subwoofer.
Headphone Jack: For private listening, the CS-N755 has a front-panel 3.5mm minijack headphone output. When headphones are connected, the unit's speakers are muted.
Two-Way Bookshelf Speakers: The CS-N755 comes with a pair of 2-way 4Ω bookshelf loudspeakers. The speakers feature a 1" balanced, soft dome tweeter and a 4" OMF (Onkyo Micro Fiber) woofer, loaded into a bass reflex enclosure with a rear-firing port. The included black cloth grilles are detachable. The speakers have binding post terminals that will accept bare wire (up to 10AWG), pin-connectors, spade-connectors, and banana plugs (single only) and come with two 6' lengths of speaker wire. Other speaker specifications include:
- Impedance: 4Ω
- SPL: 83dB (1W/1m)
- Frequency Response: 55 Hz-35 kHz
- Crossover Frequency: 2.5 kHz
- Maximum Input Power: 70 watts
- Dimensions: 6.125" (w) x 9.625" (h) x 10.125" (d)
- Weight: 7.9375 lbs
Disc/USB/iPod Playback
CD Player: The CS-N755's single-disc CD player will play Audio CDs and CD-R/CD-RW discs. Standard 12mm discs, as well as 8mm CDs can be played. It will also play back MP3 (32-320 kbps) and WMA (32-192 kbps) files recorded with ISO 9660 Level 1/2; a maximum of 99 folders/499 files per folder can be recognized on a single disc. Playback functions include; Play/Pause, Fast Forward/Rewind, Previous/Next Track, Program (up to 25 tracks), and Random/Repeat. The remote control has a numeric keypad that allows you direct access to the CD tracks.
Dual USB Ports: The unit's front- and rear-panel USB (type-A) port allows you to connect a USB Mass Storage Class (MSC) compliant device; such as your Android smartphone, portable digital audio player, or USB thumbdrive. Your USB MSC device must be formatted in FAT16 or FAT32. The USB port enables audio playback & control of audio files stored on portable USB mass-storage class devices. Compatible music file formats include MP3 (8-320 kbps), WMA (47-320k bps), WMA Lossless (16/24-bit), WAV (8/16/24-bit), AAC (8-320 kbps), FLAC (16/24-bit), Ogg Vorbis (48-500 kbps), and LPCM (8/16/24-bit). Up to 20,000 folders can be displayed, and folders may be nested up to 16 levels deep. Basic playback functions include; Play/Pause, Fast Forward/Rewind, Previous/Next Track, Folder Select, and Random/Repeat. In addition, the unit is compatible with ID3/WMA Tags and will display song/artist information. USB portable audio players that can be charged via USB will be charged when plugged into the unit's USB port.
"Made for iPod/iPhone": You can also use the unit's front-panel USB (type-A) port to connect your Apple iPod or iPhone. Simply connect your iPod or iPhone to the unit's front-panel USB port via the cable that comes with your Apple device. The CS-N755 supports audio playback, menu navigation, information display, and charging of your compatible Apple device. The CS-N755 supports playback of music stored on your iPod/iPhone, or music from downloaded apps (such as Pandora, Spotify, or MOG). You can control music playback from the unit's remote control, or continue to use your Apple device's clickwheel or touchscreen. Artist, Song, and Album name can be viewed on the unit's front-panel LCD. While connected, your iPod/iPhone is charged via USB. The Onkyo CS-N755 supports the following models of iPod and iPhones. (as of 12/19/2012).
| iPod/iPhone Model | Generation | Tested Version | Media Type | Control Type | Display Type | Charge | |||
| Audio | Video | Remote | iPod/iPhone | Artist/Song Text | Numeric Track Info | ||||
| video | 5th | 1.3 | Y | N | Y | Y | Y | Y | Y |
| classic | 80GB | 1.1.2 | Y | N | Y | Y | Y | Y | Y |
| 120GB | 2.0.1 | Y | N | Y | Y | Y | Y | Y | |
| 160GB | 2.0.4 | Y | N | Y | Y | Y | Y | Y | |
| nano | 1st | 1.3.1 | Y | N | Y | Y | Y | Y | Y |
| 2nd | 1.1.3 | Y | N | Y | Y | Y | Y | Y | |
| 3rd | 1.1.3 | Y | N | Y | Y | Y | Y | Y | |
| 4th | 1.0.4 | Y | N | Y | Y | Y | Y | Y | |
| 5th | 1.0.2 | Y | N | Y | Y | Y | Y | Y | |
| 6th | 1.1 PC | Y | N | Y | Y | Y | Y | Y | |
| 7th | 1.01 PC | Y | N | Y | Y | Y | Y | Y | |
| touch | 1st | 2.2.1 | Y | N | Y | Y | Y | Y | Y |
| 2nd | 4.2.1 | Y | N | Y | Y | Y | Y | Y | |
| 3rd | 5.1.1 | Y | N | Y | Y | Y | Y | Y | |
| 4th | 6.0.1 | Y | N | Y | Y | Y | Y | Y | |
| 5th | 6.0.1 | Y | N | Y | Y | Y | Y | Y | |
| iPhone | 2G | 3.1.3 | Y | N | Y | Y | Y | Y | Y |
| 3G | 4.2.1 | Y | N | Y | Y | Y | Y | Y | |
| 3GS | 5.1.1 | Y | N | Y | Y | Y | Y | Y | |
| 4 | 6.0.1 | Y | N | Y | Y | Y | Y | Y | |
| 4S | 6.0.1 | Y | N | Y | Y | Y | Y | Y | |
| 5 | 6.0.1 | Y | N | Y | Y | Y | Y | Y | |
| iPad | 1 | 5.1.1 | Y | N | Y | Y | Y | Y | N |
| 2 | 6.0.1 | Y | N | Y | Y | Y | Y | N | |
| 3 | 6.0.1 | Y | N | Y | Y | Y | Y | N | |
| 4 | 6.0.1 | Y | N | Y | Y | Y | Y | N | |
| mini | 6.0.1 | Y | N | Y | Y | Y | Y | N | |
Note: Apple iPod/iPhone software updates may change functionality results. If you download a newer software version, you may need to reset the unit and your iPod/iPhone to regain functionality. If this doesn't work, you may need to wait until a newer software update is available.
Network & Tuner Functions
Network Connection: The Onkyo CS-N755 can be connected to your home network with a standard Ethernet cable (sold separately). The CS-755's network connection lets you enjoy the music files stored on your computer or media server. If your home network is connected to the Internet, you can also enjoy Internet radio.
Optional Wi-Fi Adapter: The CS-N755 is compatible with the UWF-1 Wireless LAN adapter (sold separately), allowing you to connect to a wireless network. The UWF-1 operates on the 2.4 GHz wireless transmission frequency, and supports IEEE 802.11 b/g/n. The adapter features a Type A USB plug and connects to the USB port on the rear of the unit.
Media Server Playback: The unit can play digital music files stored on a DLNA-certified computer or media server. Compatible music file formats include MP3 (8-320 kbps), WMA (47-320k bps), WMA Lossless (16/24-bit), WAV (8/16/24-bit), AAC (8-320 kbps), FLAC (16/24-bit), Ogg Vorbis (48-500 kbps), and LPCM (8/16/24-bit). Each folder on the server may contain up to 20,000 music files, and folders may be nested up to 16 levels deep. Your computer or media server must be on the same network as the Onkyo CS-N755. The following media servers are compatible:
- Windows Media Player 11 or 12
- Windows Media Connect 2.0
- DLNA (ver.1.5)-Compatible Media Server
Note: If the operating system of your personal computer is Windows 7, Windows Media Player 12 is already installed. If the operating system of your computer is Windows Vista, Windows Media Player 11 is already installed.
Internet Radio: The Onkyo CS-N755 lets you access various Internet Radio providers and online music services through its Ethernet network connection. The unit will display station name and program-related information (such as artist name, song title, and elapsed playing time). You can preset up to 40 of your "favorite" Internet radio stations for easy recall.
| Music Service | Description |
| vTuner | vTuner offers easy browsing of internet radio stations and podcasts. vTuner enables access to web-based radio stations and podcasts via an extremely reliable online database with a wide variety of content. You can browse content by Genre, Location, Language, and Favorites. |
| Pandora | Pandora is a free, personalized Internet radio service that plays the music you know and helps you discover music you'll love. You can select Internet radio stations by Artist, Song, or Genre. |
| Rhapsody | rhapsody is a streaming music subscription service (starting a $10 per month) that allows you to play the full-length songs you choose on demand from a collection of over 10 million songs, without ads and without having to purchase or download the music. |
| SiriusXM | SiriusXM Internet Radio lets you listen to over 120 channels of commercial-free music, talk radio, news, sports, and more. |
| Slacker | Slacker is a free, personalized Internet radio service that lets you choose the music you want to listen to. You can choose Internet radio stations by genre, or create custom station by Artist name or Song title. |
| Spotify | Spotify is a digital music service that gives you on-demand access to one of the largest music libraries in the world (over 15 million tracks and counting). Spotify makes it easier than ever to discover, manage, and share music with your friends. You can browse music by artist, album, track, or most popular; create your own music library with customized playlists; as well as share your music via Facebook, Twitter, or Windows Messenger. |
| AUPEO! | AUPEO! Personal Radio is a music streaming service based in Berlin that is available worldwide. With AUPEO! Personal Radio, you can listen to free music on the web. AUPEO! lets you play lots of music and choose the playlist based on your personal taste. The basic concept is based on personal music DNA, which allows you to 'love' or 'ban' songs. The highly advanced software then remembers this and adjusts as necessary. As a result, we offer over 100 compilation genre channels, as well as thousands of artist channels. Listen to music online based on your tastes and preferences or use our one-of-a-kind 'Mood Tuner' to fit how you're feeling. |
| MP3tunes | MP3tunes is a Music Service Provider (MSP) and the home of MP3tunes Locker: the only secure, online music space to feature unlimited listening. With just a couple clicks, Locker users can sync their personal digital music to "the cloud" for enjoying from any web browser and a wide variety of mobile and home entertainment devices (like the Onkyo CS-N755). The MP3tunes Locker is available in an ad-supported Free edition and in Premium levels with more storage space, support for larger media files. |
AM/FM Tuner: The unit has an AM/FM tuner with manual, seek, and preset tuning. You can store a combination of up to 40 of your favorite FM/AM radio stations as presets. You can enter a custom name for each individual radio preset for easy identification. An AM loop antenna and FM wire antenna are included.
Convenience Features
LCD: The white dot-matrix digital LCD will display source information and menu settings. The unit supports the display of song/artist information from your connected iPod/iPhone or USB memory device, as well as network online music services and Internet Radio. The LCD offers 3 dimmer settings.
Remote Control + RI Remote Input: The included IR remote control provides wireless operation of the Onkyo CS-N755, Internet Radio and online music services, your connected iPod/iPhone, and connected USB devices. The 1/8" RI remote control jack allows you to connect this receiver to other compatible Onkyo components.
Remote App (for Apple iOS): The Onkyo Remote App 3 (free) allows you to operate the Onkyo system from your Apple iOS (7.1+ device) using your home's wireless network. The Onkyo Remote App lets you you access Internet Radio stations, AM/FM stations, DLNA content, and Input sources right from your mobile device. Content information will be displayed on the device's touchscreen. You also get to adjust tone and volume controls from your compatible Apple iOS device. The Onkyo Remote App even allows you to wirelessly stream audio stored on your Apple iOS device to the Onkyo CS-N755. The Onkyo CS-N755 system and and your compatible Apple iOS or Android device must be connected to the same home network.
Optional Bluetooth Adapter (sold separately): The Onkyo UBT-1 Bluetooth USB Adapter (580UBT1, sold separately) lets you wirelessly stream music from your Bluetooth-enabled smartphone, portable audio player, tablet, laptop, or PC to the Onkyo CS-N755. The Onkyo UBT-1 is fitted with a male USB (type-A) connector which plugs into the CS-N755's USB (type-A) port. The Onkyo UBT-1 is Bluetooth version 3.0 certified and lets you wirelessly stream music from many Bluetooth-enabled devices supporting A2DP (Advanced Audio Distribution Profile). The Onkyo UBT-1 is equipped with apt-X, an audio coding technology that works within Bluetooth to wirelessly deliver CD-quality audio from your Bluetooth-enabled device to the Onkyo speaker system
Note: Due to the differences in Bluetooth technology, some Bluetooth enabled devices may be incompatible, function improperly, or may not support all features when used with the Onkyo UBT-1.
Auto Standby + Sleep Timer: This unit will automatically enter standby mode if there is no operation for 30 minutes with no audio signal input. The sleep timer will turn the system off after a specified period. The sleep timer can be set between 90 and 10 minutes (in 10 minute increments).
Firmware Updates: Future firmware updates are available from the Onkyo website through the unit's Network connection. Visit Onkyo's online Download Center for the latest firmware updates.
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Looking for a bookshelf system that had AM/FM/CD as well as SiriusXM minimum. There are surprisingly few. In addition to SiriusXM, also added vTuner, Spotify, TVersity (DNLA server), and briefly Rhapsody. Everything works so far, and it sounds good.
Listener in NJ from New Jersey