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Onkyo CS-255 CD Hi-Fi Mini System

iPod(s) iPad or iPhone not included


(iPod(s) iPad or iPhone not included)

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Onkyo CS-255 CD Hi-Fi Mini System

B&H # ONCS255 Mfr # CS-255

Availability Details

This item has been discontinued by the manufacturer and is no longer available.

The compact CS-255 CD Hi-Fi Mini System from Onkyo includes the CR-255 CD Receiver, RC-823S Remote Controller, indoor FM antenna, power cord, D-T15 Speakers, speaker cables, and eight floor pads. This system produces satisfying audio with its punchy amplifier and stereo speakers. You can dock your iPhone 5, iPod touch (5G), or iPod nano (7G) via the connector and recharge the device while you listen. The receiver automatically detects your device, selects dock input, and allows you to use the system remote to quickly navigate to your desired track. Audio signals are transported in pure digital form, bypassing the docked device’s analog conversion and gain circuits for clear, deep, and realistic sound. Users of legacy iPhone and iPod models can link up in moments via the front-panel charging USB port, which also enables direct-digital audio transfer on these devices. If your smartphone or tablet features a mini-USB port, you can access the MP3 files stored on the device as well. You can also plug in a flash memory drive and use the system remote to select an MP3 library, hassle-free.

The CS-255 digital amplifier produces clean, detailed sound. Onkyo’s low-noise circuit topology reduces distortion across a wide frequency bandwidth, revealing new layers of depth and detail in your favorite recordings. And the 2-mode super bass function on the CS-255 gives a welcome boost to the low-frequency band, adding just the right amount of heft to bass guitar and kick drum without sounding distorted, harsh, or boomy.

Amplifier/CD Player Features

Power Output Stereo (6Ω, 1 kHz, 10% THD, 2 channel)
Digital Amplifier Circuitry for clear, powerful sound
CD, CD-R, CD-RW, and MP3 encoded CD playback
USB port- iPod/iPhone, smartphones, flash drives
Super bass function
Number of Repeat Modes: 2 (disc/track)
Number of Play Modes: 3 (normal/random/repeat)
Analog audio input for media player connection
Headphone jack
Tone control (bass/treble)

iPod/iPhone Charging Dock Features

Charging dock with connector
Direct digital connection for clear sound
iPod/iPhone control with supplied remote controller
iPod/iPhone auto selector, play timer, sleep timer

USB Connection Features

Made for iPod/iPhone
Recharges iPod/iPhone
iPod/iPhone control with supplied remote controller
MP3 playback via flash drive, USB smartphones


Non-parallel sides prevents internal standing wave
Solid construction, fit, and color matched finish
Magnetically shielded

Other Features

Number of FM/AM presets
Program timer (everyday)
Sleep timer
Battery-free memory backup
Display dimmer (normal/dim)
Remote control
CD Receiver
Power Output 15 + 15 W (6 Ω, 1 kHz, 10% THD, FTC)
Distortion Total Harmonic Distortion + Noise:0.5% (1 kHz, 1 W)
Damping Factor 60 (Front, 1 kHz, 8 Ω)
Input Sensitivity 1,000 mV
Impedance 47 kΩ (line)
Frequency Response 50 Hz to 20 kHz/+0 dB, -3 dB
Tone Control ±10 dB, 100 Hz (Bass) ±10 dB, 10 kHz (Treble) +4 dB, 80 Hz (Super Bass 1) +8 dB, 80 Hz (Super Bass 2)
Signal-to-Noise Ratio 84 dB (line, IHF-A)
Speaker Impedance 6 to 16 Ω
Tuning Frequency Range 530 to 1,710 kHz
Preset FM Memory: 30 stations
AM Memory: 30 stations
Power Supply 120 VAC, 60 Hz
Power Consumption 30 W
No Sound: 7 W
Standby: 0.35 W (iPod/iPhone not connected)
Dimensions (W x H x D) 8.4 x 3.9 x 10.6" (214.3 x 99.0 x 269.8 mm)
Weight 5.5 lb (2.5 kg)
Speaker Type D-T15, 2-Way, Bass-Reflex
Woofer 3.9" (10.0 cm) cone
Tweeter 0.75" (2.0 cm) balanced-dome
Frequency Response 55 Hz to 50 kHz
Crossover Frequency 4.5 kHz
Output Sound Pressure Level 82 dB/W/m
Input Power Maximum: 30 W
Nominal Impedance 6 Ω
Dimensions (W x H x D) 5.1 x 8.2 x 6.7" (130.1 x 210.0 x 171.4 mm)
Weight 3.5 lb (1.6 kg)
Onkyo CS-255 CD Hi-Fi Mini System
  • CR-255 CD Receiver
  • RC-823S Remote Controller
  • Indoor FM antenna
  • Power Cord
  • D-T15 Speakers
  • Speaker Cables
  • 8 x Floor Pad
  • Amplifier & Speaker: Limited 2-Year Warranty on Parts & Labor
  • Mini System: Limited 1-Year Warranty on Parts & Labor
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