TX-NR656 vs TX-NR646
The TX-NR646 matches the TX-NR656 on power @ 8ω (100W), bit depth (32-bit), max sample rate (384 kHz), and power @ 4ω (170W).
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AmplifiersAV ReceiversPower AmplifiersStereo Receivers
About the TX-NR656
The Onkyo TX-NR656 is a 7.2-channel network A/V receiver delivering up to 100 watts per channel into 8 ohms with discrete amplifier output stages and a high-current power supply for dynamic home theater sound. It supports Dolby Atmos and DTS:X object-based surround formats and features Onkyo's AccuEQ room calibration with AccuReflex to optimize speaker and height-channel performance. For multi-room listening, it provides powered Zone 2 and Zone 2 line-out for distributed audio in another room. The receiver includes an AKM 384 kHz/32-bit DAC for high-resolution audio playback and built-in Wi-Fi, AirPlay, Chromecast built-in, Bluetooth, and network streaming services such as Spotify and TIDAL. Video support includes 4K/60 Hz pass-through, HDR, and HDCP 2.2 on compatible HDMI inputs and outputs, with 8 HDMI inputs and 2 HDMI outputs to accommodate multiple 4K sources.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 100W @ 8Ω
- Power @ 4Ω
- 170W @ 4Ω
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 384 kHz
Analog Output
Analog signal output specifications
- THD
- 0.080%
Connectivity
Input and output connections
- Bluetooth
- Yes
- Wi-Fi
- Yes
- Ethernet
- No
- Digital Inputs
- HDMI
- Analog Inputs
- Phono, Aux
- Digital Outputs
- HDMI
- Analog Outputs
- Zone 2, Headphone
Streaming Services
Supported streaming platforms and protocols
- AirPlay
- v1
- Chromecast
- Yes
- Roon Ready
- No
- Spotify Connect
- Yes
- TIDAL Connect
- Yes
- Other Services
- Spotify, Pandora, Tidal
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 435 × 173.5 × 378 mm (W × H × D)
- Weight
- 10 kg (22 lbs)
- Available Colors
- Black, Silver
Key Specifications
Power: 100W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions