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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22
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Description
ESX QM500.4 - 4 Channel AmplifierSpecifications 4 Channel Class D Mini Digital Amplifier 4 x 80 125 Watts RMS @ 4 2 2 x 250 Watts RMS @ 4 bridged HPF 50 5000 Hz (CH1 2) HPF 10 500 Hz (CH3 4) LPF 50 5000 Hz (CH3 4) Copy Modus CH3 4 > CH1 2 Bandpass Mode Dimensions 220 x 51 x 362 mm Efficiency up to 83% Features Advanced Class D Technology with very high Efficiency Selected and audiophile tuned Components Compact Aluminum Heatsink and lateral Die cast Parts High Level Inputs with Error
Specifications
- 4-Channel Class D Mini Digital Amplifier
- 4 x 80/125 Watts RMS @ 4/2 Ω
- 2 x 250 Watts RMS @ 4 Ω bridged
- HPF 50-5000 Hz (CH1/2)
- HPF 10-500 Hz (CH3/4)
- LPF 50-5000 Hz (CH3/4)
- Copy-Modus CH3/4 > CH1/2
- Bandpass Mode
- Dimensions 220 x 51 x 362 mm
- Efficiency up to 83%
Features
- Advanced Class D Technology with very high Efficiency
- Selected and audiophile tuned Components
- Compact Aluminum Heatsink and lateral Die-cast Parts
- High Level Inputs with Error Protection System (EPS)
- Auto Turn-On Function
- Start/Stop Ready
- MOSFET PWM Power Supply
- 3-Way Protection Circuit
- RCA & High Level Inputs (via Molex)
- Compact Bass Remote Controller
Digital amplifier power has never been more compact and affordable: With a size of just 190 x 35 x 102 mm, the three new ESX QUANTUM QM miniature power plants are convincing all along the line. The QM amps offer state-of-the-art technology in a very small space and are all solidly constructed. All three amps are based on the somewhat larger sibling models of the ESX QUANTUM QL series, only a bit more compact and much easier to install. Thanks to the high level inputs including EPS and the automatic turn-on function, they are also perfectly suited for integration in factory sound systems. Each model is also equipped with a compact bass level remote control.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Just lovely
Size: 8.5" x 5.8" x 1.9", Color: Orange
Purchased this several months ago and liked it, but I had received so many complements on this tray since then I had to submit this review. The tray is sturdy and put together well, and the size is exactly what was given before purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Shelves
Size: 12 Inch, Color: Black
High quality, strong and beautiful. I receive alot of compliments
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Fabulous! I’ve purchased these more than once!
Size: 12 Inch, Color: Gold, Size: 12 Inch, Color: Gold
These are beautiful and the perfect size for the 12” wide boards I use. The lumber isn’t cut to exactly 12” so there is a slight gap in the back towards the wall which I like for cords, and the boards stay in place with bottom screws. These are very sturdy, thick, and solid. I have not had a single problem with any of them. They are easy to install and very functional. Definitely worth the cost. I have purchased a couple of times.
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Reviewed in the United States on December 28, 2024
★★★★★ 5
Excellent shelf brackets.
Size: 12 Inch, Color: Black
Perfect exactly as advertised. Correct measurement at 12 inches. Product supplies
All the screw for mounting. High quality and very sturdy. Used in my pantry. No instructions but don’t really need.
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Quality and great looking for everything.
Size: 10 Inch, Color: Black
Easy to use , and works and looks great in the garage.
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Reviewed in the United States on March 14, 2026
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