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Product Description

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The Arcam AVR21 is a 7-channel Class AB AV receiver with native 16-channel decoding for Dolby Atmos, DTS:X and Auro-3D. It features HDMI 2.1 on every input with 8K/60 and 4K/120, plus support for Dolby Vision, HDR10+ and HLG. Included Dirac Live room correction and dual ESS 9026PRO DACs deliver audiophile sound quality with precision imaging. Streaming is seamless via AirPlay 2, Chromecast built-in, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP and Roon Ready support.
Get the Details

Features & Specs Line Circle

Audiophile power stage
Seven channels of Class AB amplification paired with ESS 9026PRO DACs deliver low noise, low distortion, and excellent stereo imaging.
Immersive scalability
Decode up to 16 channels to realize layouts like 7.1.4 or 9.1.6 by adding external amplification.
Next-gen video & gaming
HDMI 2.1 on every input supports 8K/60 and 4K/120, eARC, and full HDR formats for pristine picture and fluid gameplay.
Room-perfected sound
Dirac Live Full Bandwidth corrects frequency and timing for clarity and impact; upgrade to DLBC to synchronize multiple subwoofers.
Friction-free streaming
Play from phones, tablets, or servers with AirPlay 2, Chromecast, Bluetooth aptX HD, Spotify/Tidal Connect, UPnP, and Roon Ready.
Tri-HDMI outputs (incl. Zone 2), robust control options, and an efficient power design simplify installation and daily use.
HDMI 2.1 with HDCP2.3
Audiophile power stage
Seven channels of Class AB amplification paired with ESS 9026PRO DACs deliver low noise, low distortion, and excellent stereo imaging.
Immersive scalability
Decode up to 16 channels to realize layouts like 7.1.4 or 9.1.6 by adding external amplification.
Next-gen video & gaming
HDMI 2.1 on every input supports 8K/60 and 4K/120, eARC, and full HDR formats for pristine picture and fluid gameplay.
Room-perfected sound
Dirac Live Full Bandwidth corrects frequency and timing for clarity and impact; upgrade to DLBC to synchronize multiple subwoofers.
Friction-free streaming
Play from phones, tablets, or servers with AirPlay 2, Chromecast, Bluetooth aptX HD, Spotify/Tidal Connect, UPnP, and Roon Ready.
Tri-HDMI outputs (incl. Zone 2), robust control options, and an efficient power design simplify installation and daily use.
HDMI 2.1 with HDCP2.3

Expert Insight

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The Arcam AVR21 balances powerful Class AB amplification with refined ESS DACs to produce an engaging, transparent soundstage. Its all-input HDMI 2.1 implementation and comprehensive HDR support make it a strong choice for 8K and high-frame-rate systems. With Dirac Live included and optional Bass Control, it’s easy to dial in exceptional results across a wide range of rooms.

Expert Img
Nate M
Brand Manager

Details

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Arcam AVR21 Receiver 7-channel Class AB home Cinema Hub

Meet the Arcam AVR21 Receiver - a 7-channel Class AB home cinema hub that marries audiophile finesse with blockbuster dynamics. With native 16-channel decoding for Dolby Atmos, DTS:X, and Auro-3D, dual ESS 9026PRO DACs, and HDMI 2.1 on every input (supporting 8K/60 and 4K/120), it’s built for today’s best movies and next-gen consoles. Dirac Live Full Bandwidth room correction is included for precise imaging and tight, powerful bass; add Dirac Live Bass Control for multi-sub systems. Streaming is seamless with AirPlay 2, Chromecast built-in, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP, and Roon Ready support. Thoughtful touches - eARC, three HDMI outputs (incl. Zone 2), and installer-friendly control - make the AVR21 the sweet spot in Arcam’s lineup.

Arcam AVR21 Q&A:

Does the AVR21 support 8K and 4K/120 for gaming?
Yes. All HDMI inputs are HDMI 2.1 with HDCP 2.3, supporting 8K/60 and 4K/120 with eARC.
How many channels can I power and decode?
The AVR21 powers 7 channels onboard and decodes up to 16 channels; add external amps for layouts like 7.1.4 or 9.1.6.
What room correction is included?
Dirac Live Full Bandwidth is included; Dirac Live Bass Control is an optional paid add-on.
Which HDR formats are supported?
Dolby Vision, HDR10+, HDR10, and HLG pass through.
What streaming options are built in?
AirPlay 2, Chromecast built-in, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP (MusicLife), and Roon Ready.
What are the rated power specs?
2 ch driven (20Hz–20kHz, <0.02% THD): 110W/175W (8Ω/4Ω); 7 ch driven (1kHz, 0.2% THD): 90W/110W (8Ω/4Ω).
What’s in the box?
Remote (2 × AAA), mains lead, DAB/FM aerial, 3 Wi-Fi/Bluetooth antennas, calibration mic, USB cable, Quick Start Guide.
Any tips for stable HDMI/ARC?
Keep firmware current, use certified Ultra High Speed HDMI cables, set a fixed output resolution, and disable CEC per source if needed.
Why do some owners mention warmth or HDMI/CEC quirks?
Class-AB designs run warm - ensure proper ventilation. For CEC/eARC, follow a known power-up order and use certified Ultra High Speed HDMI cables.
How do I expand to 7.2.4?
Use the AVR21’s RCA pre-outs to send sound to surround backs and height channels with external amps.
How does the Arcam AVR21 compare to other Arcam AVR Receivers?
Find our Arcam AVR Receiver Comparison Table here.

Arcam AVR21 Full Specifications:

  • Amplification: 7 channels of Class AB power
  • Surround decoding: Native 16-channel decoding for Dolby Atmos, DTS:X, and Auro-3D
  • DACs: Dual ESS 9026PRO with reference regulators
  • Room correction: Dirac Live Full Bandwidth included; Dirac Live Bass Control optional (license)
  • HDMI: 7 inputs / 3 outputs (including Zone 2), eARC, HDMI 2.1 with HDCP 2.3
  • Video formats: 8K@60, 4K@120; Dolby Vision, HDR10+, HDR10 and HLG passthrough
  • Streaming & control: Chromecast built-in, Apple AirPlay 2, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP (MusicLife), Roon Ready; Wi-Fi/Ethernet; RS232; IR
  • MQA: Supported
  • Power output (8Ω/4Ω): 2ch 20Hz–20kHz <0.02% THD: 110W/175W; 2ch 1kHz 0.2% THD: 125W/190W; 7ch 1kHz 0.2% THD: 90W/110W; residual noise & hum (A-wtd): <0.15mV
  • Stereo line inputs: Max 4.5V rms; sensitivity 1V/2V/4V; 47kΩ; S/N (A-wtd, ref 100W) 100dB (normal) / 110dB (stereo direct); 20Hz–20kHz ±0.2dB
  • Preamplifier outputs: 1V RMS nominal (max 5V RMS); 560Ω; THD+N (20Hz–20kHz): −100dB
  • Headphone output: Max 5V rms into 32Ω; output impedance <100Ω
  • Power & dimensions: 110–120V or 220–240V, 50–60Hz; max 1.5kW (≈5200 BTU/h); idle 100W (≈350 BTU/h); standby <0.5W; 433 × 425 × 171 mm (W×D×H)
  • Weight: 16.6 kg (net); 19.9 kg (packed)
  • Included accessories: Mains lead; remote (2 × AAA); Quick Start Guide; DAB/FM aerial; 3 × Wi-Fi/Bluetooth antennas; calibration microphone; USB cable
  • EAN (GTIN-13): 6925281994487

Reviews

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Product Descriptiondown arrow

Product Description

Line Circle
The Arcam AVR21 is a 7-channel Class AB AV receiver with native 16-channel decoding for Dolby Atmos, DTS:X and Auro-3D. It features HDMI 2.1 on every input with 8K/60 and 4K/120, plus support for Dolby Vision, HDR10+ and HLG. Included Dirac Live room correction and dual ESS 9026PRO DACs deliver audiophile sound quality with precision imaging. Streaming is seamless via AirPlay 2, Chromecast built-in, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP and Roon Ready support.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

Audiophile power stage
Seven channels of Class AB amplification paired with ESS 9026PRO DACs deliver low noise, low distortion, and excellent stereo imaging.
Immersive scalability
Decode up to 16 channels to realize layouts like 7.1.4 or 9.1.6 by adding external amplification.
Next-gen video & gaming
HDMI 2.1 on every input supports 8K/60 and 4K/120, eARC, and full HDR formats for pristine picture and fluid gameplay.
Room-perfected sound
Dirac Live Full Bandwidth corrects frequency and timing for clarity and impact; upgrade to DLBC to synchronize multiple subwoofers.
Friction-free streaming
Play from phones, tablets, or servers with AirPlay 2, Chromecast, Bluetooth aptX HD, Spotify/Tidal Connect, UPnP, and Roon Ready.
Tri-HDMI outputs (incl. Zone 2), robust control options, and an efficient power design simplify installation and daily use.
HDMI 2.1 with HDCP2.3
Audiophile power stage
Seven channels of Class AB amplification paired with ESS 9026PRO DACs deliver low noise, low distortion, and excellent stereo imaging.
Immersive scalability
Decode up to 16 channels to realize layouts like 7.1.4 or 9.1.6 by adding external amplification.
Next-gen video & gaming
HDMI 2.1 on every input supports 8K/60 and 4K/120, eARC, and full HDR formats for pristine picture and fluid gameplay.
Room-perfected sound
Dirac Live Full Bandwidth corrects frequency and timing for clarity and impact; upgrade to DLBC to synchronize multiple subwoofers.
Friction-free streaming
Play from phones, tablets, or servers with AirPlay 2, Chromecast, Bluetooth aptX HD, Spotify/Tidal Connect, UPnP, and Roon Ready.
Tri-HDMI outputs (incl. Zone 2), robust control options, and an efficient power design simplify installation and daily use.
HDMI 2.1 with HDCP2.3
Expert Insightdown arrow

Expert Insight

Line Circle

The Arcam AVR21 balances powerful Class AB amplification with refined ESS DACs to produce an engaging, transparent soundstage. Its all-input HDMI 2.1 implementation and comprehensive HDR support make it a strong choice for 8K and high-frame-rate systems. With Dirac Live included and optional Bass Control, it’s easy to dial in exceptional results across a wide range of rooms.

Expert Img
Nate M
Brand Manager
Detailsdown arrow

Details

Line Circle

Arcam AVR21 Receiver 7-channel Class AB home Cinema Hub

Meet the Arcam AVR21 Receiver - a 7-channel Class AB home cinema hub that marries audiophile finesse with blockbuster dynamics. With native 16-channel decoding for Dolby Atmos, DTS:X, and Auro-3D, dual ESS 9026PRO DACs, and HDMI 2.1 on every input (supporting 8K/60 and 4K/120), it’s built for today’s best movies and next-gen consoles. Dirac Live Full Bandwidth room correction is included for precise imaging and tight, powerful bass; add Dirac Live Bass Control for multi-sub systems. Streaming is seamless with AirPlay 2, Chromecast built-in, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP, and Roon Ready support. Thoughtful touches - eARC, three HDMI outputs (incl. Zone 2), and installer-friendly control - make the AVR21 the sweet spot in Arcam’s lineup.

Arcam AVR21 Q&A:

Does the AVR21 support 8K and 4K/120 for gaming?
Yes. All HDMI inputs are HDMI 2.1 with HDCP 2.3, supporting 8K/60 and 4K/120 with eARC.
How many channels can I power and decode?
The AVR21 powers 7 channels onboard and decodes up to 16 channels; add external amps for layouts like 7.1.4 or 9.1.6.
What room correction is included?
Dirac Live Full Bandwidth is included; Dirac Live Bass Control is an optional paid add-on.
Which HDR formats are supported?
Dolby Vision, HDR10+, HDR10, and HLG pass through.
What streaming options are built in?
AirPlay 2, Chromecast built-in, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP (MusicLife), and Roon Ready.
What are the rated power specs?
2 ch driven (20Hz–20kHz, <0.02% THD): 110W/175W (8Ω/4Ω); 7 ch driven (1kHz, 0.2% THD): 90W/110W (8Ω/4Ω).
What’s in the box?
Remote (2 × AAA), mains lead, DAB/FM aerial, 3 Wi-Fi/Bluetooth antennas, calibration mic, USB cable, Quick Start Guide.
Any tips for stable HDMI/ARC?
Keep firmware current, use certified Ultra High Speed HDMI cables, set a fixed output resolution, and disable CEC per source if needed.
Why do some owners mention warmth or HDMI/CEC quirks?
Class-AB designs run warm - ensure proper ventilation. For CEC/eARC, follow a known power-up order and use certified Ultra High Speed HDMI cables.
How do I expand to 7.2.4?
Use the AVR21’s RCA pre-outs to send sound to surround backs and height channels with external amps.
How does the Arcam AVR21 compare to other Arcam AVR Receivers?
Find our Arcam AVR Receiver Comparison Table here.

Arcam AVR21 Full Specifications:

  • Amplification: 7 channels of Class AB power
  • Surround decoding: Native 16-channel decoding for Dolby Atmos, DTS:X, and Auro-3D
  • DACs: Dual ESS 9026PRO with reference regulators
  • Room correction: Dirac Live Full Bandwidth included; Dirac Live Bass Control optional (license)
  • HDMI: 7 inputs / 3 outputs (including Zone 2), eARC, HDMI 2.1 with HDCP 2.3
  • Video formats: 8K@60, 4K@120; Dolby Vision, HDR10+, HDR10 and HLG passthrough
  • Streaming & control: Chromecast built-in, Apple AirPlay 2, Bluetooth aptX HD, Spotify Connect, Tidal Connect, UPnP (MusicLife), Roon Ready; Wi-Fi/Ethernet; RS232; IR
  • MQA: Supported
  • Power output (8Ω/4Ω): 2ch 20Hz–20kHz <0.02% THD: 110W/175W; 2ch 1kHz 0.2% THD: 125W/190W; 7ch 1kHz 0.2% THD: 90W/110W; residual noise & hum (A-wtd): <0.15mV
  • Stereo line inputs: Max 4.5V rms; sensitivity 1V/2V/4V; 47kΩ; S/N (A-wtd, ref 100W) 100dB (normal) / 110dB (stereo direct); 20Hz–20kHz ±0.2dB
  • Preamplifier outputs: 1V RMS nominal (max 5V RMS); 560Ω; THD+N (20Hz–20kHz): −100dB
  • Headphone output: Max 5V rms into 32Ω; output impedance <100Ω
  • Power & dimensions: 110–120V or 220–240V, 50–60Hz; max 1.5kW (≈5200 BTU/h); idle 100W (≈350 BTU/h); standby <0.5W; 433 × 425 × 171 mm (W×D×H)
  • Weight: 16.6 kg (net); 19.9 kg (packed)
  • Included accessories: Mains lead; remote (2 × AAA); Quick Start Guide; DAB/FM aerial; 3 × Wi-Fi/Bluetooth antennas; calibration microphone; USB cable
  • EAN (GTIN-13): 6925281994487
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