SKU: 63717186686

ESX QM400.1 - Mono Mini Amplifier

Sale price$179.99 Regular price$199.99
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USA
  • USA
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

ESX QM400.1 - Mono Mini AmplifierSpecifications 1 x 250 450 Watts RMS @ 4 2 Subsonic 10 40 Hz LPF 50 5000 Hz Bass Boost 0 18 dB Phase Shift 0 180 Dimensions 190 x 35 x 102 mm Efficiency up to 86% 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

Specifications

  • 1 x 250/450 Watts RMS @ 4/2 Ω
  • Subsonic 10-40 Hz
  • LPF 50-5000 Hz
  • Bass Boost 0-18 dB
  • Phase Shift 0-180°
  • Dimensions 190 x 35 x 102 mm
  • Efficiency up to 86%

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:
  1. 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
SKU: 63717186686

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4.4 ★★★★★
Based on 21 reviews
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K
Verified Purchase
Karen K.
Pawtucket, US
★★★★★ 3
Not as expected
Size: 6 Inch, Color: Bone
I have been looking for these ever since we got a similar one at Sierras for our 1 1/2 yo Cane Corso. She is brutal on chew toys and the first one from the box store held up well. However, this did not hold up as well and she was done with it in less than a week. Still looking for that perfect toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
J
Verified Purchase
Jackie
Alexandria, US
★★★★★ 5
More durable than expected.
Size: 5 Inch, Color: Raccoon
I was walking through my front room the other day when I noticed a suspicious spot on the floor. It looked like something I should not touch without gloves. As I got closer, I realized what it was. It’s the ‘guts’ from this toy. My dogs (Pit Bull and German Shorthaired Pointer) were each given one. Both are aggressive chewers with their toys. They ATE the faces off these toys and now play with the felt interior. I’m still trying to figure out how they ate through leather while the felt remained intact. Regardless, they still play with them. Now they are basically semi-fuzzy throw toys we can throw in the house because they don’t leave marks on the wall if our aim is off. Sometimes things work out the way they should. :)
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Reviewed in the United States on March 12, 2026
Z
Verified Purchase
ZC
West Palm Beach, US
★★★★★ 4
Great with supervision
Size: 6 Inch, Color: Bone
My dogs LOVE these, but removing a star because these apparently are VERY delicious and they will ingest what they rip off if I don’t supervise; also removing a star for how quick they’re able to tear these up. These are like catnip for dogs, I’ll still buy them!
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Reviewed in the United States on September 13, 2025
P
Verified Purchase
Penny Sinclair
Boise, US
★★★★★ 1
Don't waste your money!!
Size: 5 Inch, Color: Fox
With in minutes my puppy was pulling on the middle fiber stuff. I was worried he would choke/ingest it so I immediately threw it away just like the money I apparently threw away on this unsafe and misleading chew toy.
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Reviewed in the United States on May 29, 2026
Y
Verified Purchase
Yahaira Gonzalez
Grantham, US
★★★★★ 5
Favorite bones for my dog
Size: Small, Color: Pink
Dog favorite bones, but broken fast pink bone. I buy multiple times.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026

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