OSD Audio Nero XMAX11 Class A/B 11-Ch Home Theater Amplifier, 3X 310W + 8X 135W, 2X Toroidal Transformers, XLR/RCA Inputs

Price: $2,070.99
(as of Apr 09, 2026 06:42:10 UTC – Details)

Product description

OSD Nero XMAX11 Class A/B 11-Ch Home Theater Amplifier

Elevate your home theater experience with the OSD XMAX11 11-Channel Home Theater Amplifier, engineered for immersive, high-fidelity audio. Designed for demanding home cinema setups, this powerhouse amplifier delivers 3 x 310W for front channels and 8 x 135W for surround and height channels, ensuring dynamic, room-filling sound. With premium build quality and audiophile-grade performance, this amplifier is the foundation for an exceptional surround sound experience.

XMAX11 Specifications

All Channel Output: Ch 1-3 4 Ohms – 310W | 8 Ohms – 210W @1% THD All Channel Output: Ch 4-11 4 Ohms – 135W | 8 Ohms – 85W @1% THD Single Channel Output: Ch 1-3 4 Ohms – 370W | 8 Ohms – 230W @1% THD Single Channel Output: Ch 4-11 4 Ohms – 180W | 8 Ohms – 118W @1% THD Frequency Response: 5Hz – 50KHz, +0/- 3dB Input Sensitivity: 1V Signal to Noise: 110dB, @1W: 105dB Damping Factor Rated Power: 165W Idle Current: 0.35 Amps Max Current All Channels: 18 Amps Number of Output Devices: 28 Total Devices Crosstalk: >70dB – 20Hz -20KHz Gain: 28 dB Input Impedance: 100K ohms Input Sensitivity: 1.00 Volt Remote Trigger Voltage: 8 to 24 Volt DC – 5mA

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. OSD Audio NERO XMAX11 11-Channel Home Theater Amp Merchant Video

Engineered for serious home theater enthusiasts, this 11-channel amplifier provides 3 x 310W and 8 x 135W of ultra-clean power, ensuring dynamic, distortion-free sound with exceptional headroom for high-resolution audio and immersive cinematic experiences.

High Wattage Output

This amplifier delivers exceptional performance across eleven channels, ensuring dynamic & powerful sound suitable for high-definition home theaters.

Surround Sound

With its 11-channel output, the XMAX11 creates a rich, immersive surround sound environment that enhances the audio of your movies, music, & games.

Easy Integration

Whether you’re connecting professional-grade equipment or standard home audio sources, the RCA & XLR options allow for seamless integration.

Distraction-Free Viewing

Easily turn the front screen display on or off for a distraction-free home theater experience, perfect for dark rooms or focused listening sessions.

OSD Home Theater Amplifiers

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.4 out of 5 stars 78

4.4 out of 5 stars 78

4.4 out of 5 stars 78

4.4 out of 5 stars 78

4.0 out of 5 stars 16

4.0 out of 5 stars 16

4.0 out of 5 stars 16

Price

$2,070.99$2,070.99

$699.99$699.99

$899.00$899.00

$1,099.00$1,099.00

$499.99$499.99

$599.99$599.99

$699.99$699.99

Style

Home Theater Amplifier

Home Theater Amplifier

Home Theater Amplifier

Home Theater Amplifier

Home Theater Amplifier

Home Theater Amplifier

Home Theater Amplifier

Amplifier Type

Class AB

Class AB

Class AB

Class AB

Class D

Class D

Class D

Number of Channels

11 Channels

4 Channels

5 Channels

7 Channels

4/3/2 Channels

6/5/4/3 Channels

8/7/6/5/4 Channels

All Channel Output (RMS)

Ch 1-3: 310W | Ch 4-11: 135W

200W @ 4-Ohm, 140W @ 8-Ohm

210W @ 4-Ohm, 145W @ 8-Ohm

210W @ 4-Ohm, 145W @ 8-Ohm

175W @ 4-Ohm, 100W @ 8-Ohm

175W @ 4-Ohm, 100W @ 8-Ohm

175W @ 4-Ohm, 100W @ 8-Ohm

Single Channel Output (RMS)

Ch 1-3: 370W | Ch 4-11: 180W

260W @ 4-Ohm, 180W @ 8-Ohm

265W @ 4-Ohm, 180W @ 8-Ohm

265W @ 4-Ohm, 180W @ 8-Ohm

200W @ 4-Ohm, 120W @ 8-Ohm

200W @ 4-Ohm, 120W @ 8-Ohm

200W @ 4-Ohm, 120W @ 8-Ohm

Frequency Response

5Hz – 50KHz

5Hz – 50KHz

5Hz – 50KHz

5Hz – 50KHz

10Hz – 30KHz

12Hz – 39KHz

12Hz – 30KHz

Dimensions (LxWxH)

17.1″ x 17.6″ x 7.25″

16.57″ x 17.1″ x 6.3″

16.57″ x 17.1″ x 6.3″

16.57″ x 17.1″ x 6.3″

15.16″ x 16.73″ x 3.46″

15.16 “x 16.81″ x 3.46”

15.16 “x 16.81″ x 3.46”

Weight

86 Lbs

51 Lbs

63 Lbs

71 Lbs

22 Lbs

24 Lbs

25 Lbs

Subwoofer Integration

✘

✘

✘

✘

✔

✔

✔

Bridgeable

No

Yes, 300W @ 8-Ohms

No

No

Yes, 400W @ 8-Ohms

Yes, 400W @ 8-Ohms

Yes, 400W @ 8-Ohms

Low Pass/High Pass Filter

✘

✘

✘

✘

✔

✔

✔

Massive Power Reserves for Any Speaker Load – The XMAX11 delivers 3 x 310W and 8 x 135W into 4 ohms, all channels driven, with less than 1% distortion, ensuring high-fidelity audio at reference-level volumes
True Audiophile-Grade Class AB Performance – Powered by a 2.3KVA toroidal transformer and a massive capacitor bank (3 x 4000uF + 8 x 2000uF), this amplifier provides clean, dynamic, and effortless power, even for the most demanding speakers
Wideband Frequency Response for Ultimate Clarity – Covering 5Hz to 50kHz, the XMAX11 ensures accurate and detailed sound reproduction, capturing everything from subsonic bass effects to crystal-clear high frequencies exactly as intended by the filmmakers
Optimized for Dolby Atmos and Immersive Audio Formats: The XMAX11 delivers the power, while your processor handles Dolby Atmos and DTS:X decoding, ensuring lifelike overhead effects and a fully immersive soundstage with clean, dynamic amplification
5-Year Warranty: Comprehensive 5-year warranty ensures long-term reliability and peace of mind for your investment.