SKU: 63717186686

ESX QM400.1 - Mono Mini Amplifier

Sale price$179.99 Regular price$199.99
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  • USA
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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5

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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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4.8 ★★★★★
Based on 23 reviews
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Verified Purchase
Janie L Bobst
Los Angeles, US
★★★★★ 5
It’s a perfect shoe without the correct width it needed to be wider
Size: 5 Big Kid, Color: Lavendar
The app suggested a 6.5 but I needed it in wide and it was not an option. I had to send them back because they were too tight!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
S
Verified Purchase
Shirley Embree
Dallas, US
★★★★★ 5
That the shoes got here in time.
Size: 10.5 Little Kid, Color: Light Pink
The shoes a perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
L
Verified Purchase
Lorraine M. Messina
Cuba, US
★★★★★ 5
Great shoes
Size: 2 Little Kid, Color: Light Pink
Love love love
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Reviewed in the United States on April 8, 2026
R
Verified Purchase
rebeca panos
Houston, US
★★★★★ 4
Snug fit
Size: 11 Little Kid, Color: Lavendar
Needed to size up from all other Skechers we have bought. But still very good quality
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Reviewed in the United States on May 6, 2026
S
Verified Purchase
samiam46
Omaha, US
★★★★★ 5
Very comfortable
Size: 2 Little Kid, Color: Light Pink
My daughter really really loves these. She said that they are the most comfortable shoes she has ever had.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026

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