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Gemini Professional 800W 2-Channel Power Amplifier – DJ, PA & Live Sound Amp, XLR/RCA in, Speakon Out, Bridge Mode (XGA-4000)

  • Based on 865 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, Jun 23
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Style: 4000W


Pattern Name: Amplifier


Features

  • BUILT FOR LARGE EVENTS & VENUES: Delivers 2 x 400W RMS at 4 stereo (800W RMS bridged) ideal for club sound systems, touring rigs, or high-demand live sound environments requiring robust, room-filling output.
  • PRO AUDIO I/O FOR MAXIMUM COMPATIBILITY: Includes XLR, 1/4"TRS, and RCA inputs for all source types, with 3 Speakon and binding post outputs to support various speaker configurationsmaking it the ultimate dj amplifier or venue amp.
  • PROTECTION THAT KEEPS YOUR GEAR SAFE: Limiter, DC output, and short circuit protection features keep both your amp and speakers running safely, no matter how hard you're pushing your system.
  • ENGINEERED COOLING FOR LONGER RUN TIMES: Front-to-rear airflow and a rugged thermal fan keep the unit cool in high-volume conditions, ensuring uninterrupted audio for long gigs or intense performances.
  • TOUGH BUILD & RACKMOUNT-READY DESIGN: With a sturdy 2U metal chassis, this power amplifier is ready for the road, the rack, or the club. Designed to handle the wear and tear of professional use.

Description

The XGA Series of power amplifiers from Gemini offer clean, reliable power to heighten the crowd's experience, leaving them with the unforgettable memory of your performance. Receive pure, consistent wattage night after night for the lifetime of the amplifier. The performance of this amplifier is highlighted by the 4000 watts of Instant Peak Power, making it an ideal solution for powering PA systems and DJ rigs. The XGA-4000 also features a frequency response of 10Hz-50kHz at 1.5dB, total harmonic distortion of less than 0.1%, and input sensitivity and impedance of 0.77v for the ultimate premium performance capabilities. For a full-range of connecting opportunities, the XGA family hosts XLR and ¼-inch balanced inputs with three SpeakOn outputs. The XGA unit also includes front panel indicators for Signal, Clip, Protect and Bridge keep your unit properly protected and connected. A front-to-rear airflow and cooling fan provides thermal stability and reliability, and the constant speed of the fan provides a low level of unwanted noise. Level controls for channels 1 and 2, DC Output protection and Short Circuit protection give you the ultimate preventability for misuse and seamless results. Selectable modes for Stereo and Mono Bridge give you even more flexibility, while its sleek, lightweight design ensures total portability. The XGA-4000 unit measures 19"L x 13.8"W x 3.5"H to perfectly fit any DJ equipment collection. At Gemini, our goal is to design products that offer value and innovation in the DJ and Pro Audio markets. Since 1974, we’ve evolved and thrived by understanding the needs of our customers and recognizing industry trends. From our humble beginnings, we understood the potential of the DJ movement, and our ability to support this movement not only helped us grow as a company, it helped DJs gain recognition and esteem, calling deserved attention to their roles as artists and performers. Specifications: Frequency Response 10Hz ~ 50kHz ±1.5dB Signal to Noise (LF / HF) >90dB THD (LF / HF) > 0.1% Input Sensitivity 0.77v Maximum Input Level 21dBv/9v Damping Factor (F=1kHz 8Ω) >350 Input Impedance 20K Ω Fuse 5mm x 20mm AC 115v/230v 50~60Hz Output Stereo 8 Ω 2 x 250W RMS Output Stereo 4 Ω 2 x 350W RMS Output Bridged 8 Ω 700W RMS Dimensions (WxDxH) 19” x 13.8” x 3.5” (482mm x 350mm x 88mm) Net Weight 23.4 lbs. (10.6 kg)

Item dimensions L x W x H: 19.02 x 14.77 x 4.02 inches


Voltage: 110 Volts


Manufacturer: Gemini


Maximum Supply Voltage: 250 Volts


Minimum Storage Temperature: 20 Degrees Celsius


Voltage: 110 Volts


Maximum Supply Voltage: 250 Volts


Minimum Storage Temperature: 20 Degrees Celsius


Minimum Supply Voltage: 100 Volts


Mounting Type: Rack Mount


Number of Channels: 3


Output Power: 4000 Watts


Package Type Name: Box


Maximum Output Power: 4000 watts


Item Dimensions: 19.02 x 14.77 x 4.02 inches


Material Type: Metal


Specification Met: No


Manufacturer: Gemini


Model: XGA4000


Brand Name: Gemini Sound


Warranty Description: 1 year.


Global Trade Identification Number: 17, 24


UPC: 801947284955 807035648074 747705204424 747705204417 809188521907 808112755340 700315905365 088021146860 617407412499 765042394974 804066830591 809393883685


Part Number: XGA-4000


Item Type Name: Power Amplifier


Item Weight: 22.8 Pounds


Included Components: Professional Power Amp (4,000w)


Unit Count: 1.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jun 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great product for the price Great product for the price
Style: 4000W Pattern Name: Amplifier
Bought 2 of these to set up a home theater system, They work great. Have one running my subwoofers and one for my center channel currently. Planning on buying 2 more.
Reviewed in the United States on September 2, 2025 Reviewed in the United States on September 2, 2025 by Amazon Customer

  • feels like its defective unit but I'm sure they test them ...
Style: 4000W Pattern Name: Amplifier
Sound fade in and out also sound very weak and huge sound distortion, both fans working nonstop and they are very load I mean VERY, returned my same day I tried it. feels like its defective unit but I'm sure they test them to work before production and after they make them before sending to stores (it is brand new so) ... show more
Reviewed in the United States on October 27, 2015 by VA

  • A GREAT AMP for the Mulla!
Style: 4000W Pattern Name: Amplifier
Need a power amp? We did to run our passive monitors and this amp SMOKES! Not too heavy, has a powerful fan, and the great twist connectors. I had to buy new speaker cables to connect to it, but man, does it ROCK!!!! My only "complaint" is the fan is rather loud. But, when you use it you don't hear the fan, so "no harm, no foul." I heartily recommend this amp for anyone wanting a PA amp or even a stereo amp for a sound system. Great amp and a GREAT PRICE!!!! Gemini is on my radar now concerning sound equipment. Go ahead, take the plunge. You'll be glad you did!!!! PS. Don't buy an OPEN BOX amp. I did and had to return it for a CLOSED BOX one. OPEN BOX means that something is probably suspect with that one. CLOSED BOX is the ONLY WAY to go! ... show more
Reviewed in the United States on January 28, 2017 by RR

  • Big Power, Big Noise: A Beast of an Amp That’s Not Built for Quiet Spaces
Style: 4000W Pattern Name: Amplifier
The Gemini Professional 4000W 2-Channel Power Amplifier is an absolute powerhouse when it comes to raw performance. Right out of the gate, the power this amp delivers is impressive. It has plenty of headroom and easily drives speakers with authority, making it a great fit for DJ setups, live sound, or any environment where you need strong, reliable output. The sound is punchy, full, and capable of filling a room without breaking a sweat. From a performance standpoint, it definitely does what it’s designed to do—and does it well. Build quality also feels solid and durable, like it’s built to handle the demands of regular use in more high-energy environments. It gives you confidence that it can hold up in gigs or events where reliability matters. However, the main issue for me was the noise. The fan (or internal noise level) is noticeably loud, especially in quieter environments like a home studio or low-volume setting. When things are cranked up in a live situation, it’s less of a concern—but in a quiet space, it becomes very noticeable and distracting. Because of that, I ultimately had to return it. It’s just not suited for environments where low noise is important. Overall, this is a powerful, well-built amp that performs great in the right setting. If you’re using it in a loud venue or live environment, it’s a strong option. But for quiet spaces or studio use, the noise level may be a dealbreaker. ... show more
Reviewed in the United States on May 4, 2026 by John

  • Ok but extremely nosey fans
Style: 4000W Pattern Name: Amplifier
This amp arrived looking new but had a bend to one of the rack mounting sections. Unit looks to be built like a tank. I have not completely checked out full scope of sound output as yet. One of the biggest flaws so far is the two cooling fans. They are extremely LOUD. It is to the point that l'm debating returning for a refund. ... show more
Reviewed in the United States on July 13, 2024 by M. Joyeux

  • Big sound
Style: 4000W Pattern Name: Amplifier
Bought two of these for two seperate outdoor pa systems. Powered four 16" pyle speakers on each. Works great, tons of sound for the money. Used Audio Technica wireless mic system and for under $500 for everything, get million dollar sound.
Reviewed in the United States on November 9, 2011 by dfiz

  • A Perfect Match For My Speakers
Style: 4000W Pattern Name: Amplifier
I purchased two of these. One to drive my loudspeakers and one for my subwoofers. Better Amps are available but not at this price. These have all the connection ports you should need. Setup and configuration is quite basic. The hardest task was to hi-lite the English parts of the multi-language user manual. ... show more
Reviewed in the United States on May 31, 2016 by DonJ

  • You shouldn’t have sold a product that doesn’t work.
Style: 4000W Pattern Name: Amplifier
We remodeled our home and is just now moving back in. We’re just now opening the boxes and see that the amp is not working. No lights coming on…no nothing!!!!!!! My fault….. lesson learned. NEVER AGAIN!!!!!!!
Reviewed in the United States on March 22, 2025 by Elizabeth LaCour Robinson

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