OSD Audio Nero 4-Channel Home Theater Amplifier, (100W @8ohm/ 175W @4ohm), High Power Bridging 400W @8ohm, Class D, Highly Flexible, HTX-4150

Price: $762.99 - $499.99
(as of Jan 07, 2026 02:13:45 UTC – Details)

Product description

OSD Nero HTX4150 4-Channel 175W Home Theater Amplifier

The OSD Nero 4-Channel Home Theater Amplifier delivers rich, powerful sound that transforms your home audio experience. With 175W RMS per channel, it’s ideal for home theaters, multi-zone setups, or adding depth with a subwoofer. Its flexible 4/3/2 channel bridging options & RCA inputs make it easy to connect & customize, while the efficient Class D ensures clean, distortion-free audio. Built to deliver exceptional performance, this amplifier will take your entertainment system to the next level

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The OSD HTX Home Theater Power Amplifiers deliver exceptional audio performance, making them perfect for immersive home theater experiences. With flexible multiple channel configurations and bridging capabilities, these amplifiers are an ideal choice for powering a subwoofer with your main speakers.

Versatile Channel Options

This 4/3/2 channel amplifier offers versatile configuration options for surround sound and stereo setups, delivering high-quality audio performance.

Unleash Powerful Audio

The HTX4150 delivers 175W RMS per channel & up to 400W when bridged, providing powerful, high-quality performance to drive speakers or a subwoofer.

Bridge Channels for Bass

Bridge Channels 1 and 2 to bring your passive subwoofer to life with deep bass, and easily adjust the crossover for smooth, balanced sound.

Professional Rack Mount

Included rack ears enable secure and seamless integration into rack mounts, ensuring easy installation, optimal ventilation, and a professional setup.

OSD Audio Home Theater Amplifier

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Customer Reviews

5.0 out of 5 stars 4

5.0 out of 5 stars 4

5.0 out of 5 stars 4

4.4 out of 5 stars 70

4.4 out of 5 stars 70

4.4 out of 5 stars 70

4.4 out of 5 stars 70

Price

$499.99$499.99

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$980.99$980.99

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$899.00$899.00

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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 D

Class D

Class D

Class AB

Class AB

Class AB

Class AB

Number of Channels

4/3/2 Channels

6/5/4/3 Channels

8/7/6/5/4 Channels

4 Channels

5 Channels

7 Channels

11 Channels

All Channel Output (RMS)

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

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

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

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

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

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

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

Single Channel Output (RMS)

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

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

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

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

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

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

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

Frequency Response

10Hz – 30KHz

12Hz – 39KHz

12Hz – 30KHz

5Hz – 50KHz

5Hz – 50KHz

5Hz – 50KHz

5Hz – 50KHz

Dimensions (LxWxH)

15.16″ x 16.73″ x 3.46″

15.16 “x 16.81″ x 3.46″

15.16″ x 16.81″ x 3.46″

16.57″x17.1″x6.3″

16.57″ x 17.1″ x 6.3″

16.57″x17.1″x6.3″

17.1″ x 17.6″ x 7.25”

Weight

22 Lbs

24 Lbs

25 Lbs

51 Lbs

63 Lbs

71 Lbs

86 Lbs

Subwoofer Integration

✔

✔

✔

✘

✘

✘

✘

Bridgeable

Yes, 400W @ 8-Ohms

Yes, 400W @ 8-Ohms

Yes, 400W @ 8-Ohms

Yes, 400W @ 8-Ohms

No

No

No

Low Pass/High Pass Filter

✔

✔

✔

✘

✘

✘

✘

Powerful Performance: 4-channel, Class D amplifier with up to 4x175W at 4 ohms and 100W at 8 ohms; perfect for home theater and outdoor audio systems.
Flexible Configuration: Channels can be bridged to provide 2x400W at 8 ohms, or combine 1x400W with 2x175W; ideal for systems requiring variable output options.
Subwoofer Support: Includes bridging capabilities for two channels with frequency crossover and level control, suitable for driving passive subwoofers in outdoor setups.
Superior Connectivity: Features RCA inputs for ultra-low noise, enhancing audio clarity and reducing system noise.
Enhanced Control and Monitoring: Offers a 12V trigger for remote power automation and individual channel LEDs for immediate visual feedback on amp status (On, Standby, or Protection mode).