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2 Year
$139.99
3 Year
$184.99
5 Year
$339.99
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Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
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50V/us
1Vrms
0.02% (10% rated output power)
0.05% (10% rated output power)
0.05% (10% rated output power)
>80Db (less than rated power, 20Hz - 1kHz)
0.2dB (10% rated output power, 8ohm, 20Hz - 20kHz)
20k ohm (bal), 10k ohm (unbal)
300 (8ohm, 20Hz - 100Hz)
105dB (A weighted, 20Hz-20kHz)
90-260VAC, 50/60Hz
Overoad/thermal/DC output protection
8ohms Stereo: 4x450 watts
4ohms Stereo: 4x765 watts
2ohms Stereo: 4x1300 watts
16ohm Bridged: 2x900 watts
8ohm Bridged: 2x1530 watts
4ohm Bridged: 2x2600 watts
19 x 1.7 x 12.7" (483 x 44 x 323mm)
12.5 lbs (5.7kg)
5060255344200
From the renowned brand StudioMaster, the HX4-1800 4x 765W at 4 Ohms High Performance 1U Digital Power Amplifier is a state-of-the-art, professional-grade audio equipment designed for superior sound quality and high power output. This high-performance digital power amplifier is part of the HX series, known for their ultra-lightweight and compact design without compromising on performance.
The HX4-1800 model boasts comprehensive protection and status indicators, ensuring reliability and ease of use. It comes in both 2 and 4 channel variants, offering a versatile range of power from 2 x 225 watts at 4 ohms up to an impressive 4 x 765 watts. This powerful output makes it an ideal choice for professional musicians, DJs, and large venue applications, delivering high-quality sound reproduction that meets professional standards.
One of the standout features of this digital power amplifier is its 1U size, making it a compact yet powerful addition to any professional audio setup. It also features power factor correction (PFC) and a universal power supply that operates between 90-250VAC, demonstrating its adaptability and efficiency.
Furthermore, the HX4-1800 is designed to perform at loads down to 2 ohms, showcasing its robustness and high performance under demanding conditions. With its combination of power, performance, and compact size, the HX4-1800 4x 765W at 4 Ohms High Performance 1U Digital Power Amplifier is a testament to StudioMaster's commitment to delivering high-quality, reliable, and professional audio equipment.