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The Onkyo TX-NR5008 is a flagship 9.2 channel home theater receiver designed for high-end integrated home entertainment. It delivers 145 watts per channel into 8 ohms with a maximum total harmonic distortion of 0.05%, powered by a massive toroidal transformer and 22,000 µF capacitors. The amplifier supports flexible channel assignments including bi-amping and bridging, with 11 binding post speaker terminals. It features WRAT (Wide Range Amplifier Technology) for accurate signal reproduction and independent power supplies for audio, video, and amplifier circuits. The receiver supports THX Ultra2 Plus certification and is ISF certified for video calibration. It includes eight HDMI 1.4a inputs (7 rear, 1 front) and two HDMI outputs, supporting 1080p upscaling via HQV Reon-VX, 3D video, Deep Color, and Audio Return Channel. Audio decoding supports Dolby TrueHD, DTS-HD Master Audio, Dolby PLIIz, and Audyssey DSX for expanded surround formats. Network capabilities include Ethernet for streaming from PCs and Internet radio, compatible with Pandora, Rhapsody, Napster, Slacker, Sirius Internet Radio, and vTuner. USB ports allow audio playback from flash drives and iPod/iPhone devices. Additional inputs include phono, optical, coaxial digital audio, composite, S-video, and component video. The receiver also features Audyssey MultEQ room correction, dynamic EQ and volume, and multiple DSP gaming modes. Dimensions are approximately 17-1/8" W x 7-7/8" H x 19-5/8" D, weighing 55 lbs. It comes with a 2-year warranty and a learning/multibrand remote control.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Supported streaming platforms and protocols
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the TX-NR5008 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The SR9300's power @ 8ω is 160W against the TX-NR5008's 145W, its thd 0.080% against 0.050%, its weight 19.5 kg (43 lbs) against 24.95 kg (55 lbs), and its width 440 mm against 435 mm.
The AVR 7000's power @ 8ω is 110W against the TX-NR5008's 145W, its thd 0.070% against 0.050%, its weight 22.3 kg (49 lbs) against 24.95 kg (55 lbs), and its width 440 mm against 435 mm.
The TX-NR3008's power @ 8ω is 140W against the TX-NR5008's 145W and its weight 25 kg (55 lbs) against 24.95 kg (55 lbs). Both share thd (0.050%) and width (435 mm).
The AVR-4306's power @ 8ω is 130W against the TX-NR5008's 145W, its weight 18.5 kg (41 lbs) against 24.95 kg (55 lbs), and its width 434 mm against 435 mm. Both share thd (0.050%).
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Denon AVR-2312CI
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