ESX Q-FOURv3 - 4 Channel Amplifier
SKU: 89008797732

ESX Q-FOURv3 - 4 Channel Amplifier

Sale price$94.50 Regular price$105.00
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

ESX Q-FOURv3 - 4 Channel AmplifierFeatures Class D Technology with high Efficiency Constant Power Technology Heavy die cast Heatsink High Level Inputs with Error Protection System (EPS) Auto Turn On Function Start Stop Ready Precious Acrylic Cover in Piano Finish Specifications 4 Channel Class D Compact Digital Amplifier 4 x 100 120 Watts RMS @ 4 2 2 x 200 Watts RMS @ 4 bridged HPF 20 4000 Hz (CH1 2) HPF 10 500 Hz (CH3 4) LPF 50 4000 Hz (CH3 4) Dupe Mode CH3 4 > CH1 2 Bass Boost 0 12

Features

  • Class D Technology with high Efficiency
  • Constant Power Technology
  • Heavy die-cast Heatsink
  • High Level Inputs with Error Protection System (EPS®)
  • Auto Turn-On Function
  • Start/Stop Ready
  • Precious Acrylic Cover in Piano Finish

Specifications

  • 4-Channel Class D Compact Digital Amplifier
  • 4 x 100/120 Watts RMS @ 4/2 Ω
  • 2 x 200 Watts RMS @ 4 Ω bridged
  • HPF 20-4000 Hz (CH1/2)
  • HPF 10-500 Hz (CH3/4)
  • LPF 50-4000 Hz (CH3/4)
  • Dupe Mode CH3/4 > CH1/2
  • Bass Boost 0-12 dB
  • Dimensions 150 x 50 x 220 mm
  • Efficiency up to 84%

The completely revised amplifiers of the QUANTUM Q compact class now offer as V3 version a higher power output and improved features. With a “footprint” of just 150 x 220 mm, the two power plants are completely designed as digital Class D power amplifiers. Their heavy die cast heatsinks contain state-of-the-art technology,, which sets new standards in terms of efficiency up to 90%. With the Auto Turn-On Function coupled to the high-level inputs, the two models are suitable for almost any installation, not only because of their size. Besides the conventional 12V version the Q-ONE and Q-FOUR are now available as 24V version and can be operated in trucks and coaches with a electrical system of 24 volts.

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: 89008797732

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Dawn nicholas
Boise, US
★★★★★ 5
Worth the money
Color: Brown (Bifold)
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Reviewed in the United States on February 16, 2026
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Dannie Samuel
Pawtucket, US
★★★★★ 5
The vertical slots much better than regular wallets horizontal slots.
Color: Brown (Trifold)
The best wallet I obtained
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Reviewed in the United States on January 21, 2026
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crystal bartlett
New York, US
★★★★★ 3
Cheaply made
Color: Black (Trifold)
Nice wallet but the Carhartt logo is almost off of it. Rubs right off.
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Reviewed in the United States on May 5, 2026
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Audrey LeBlanc
Natrona Heights, US
★★★★★ 5
Good quality
Color: Brown (Bifold)
Second time ordering it I love it, for the men in your life this is a great wallet!
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Reviewed in the United States on December 17, 2025
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C Scents
Dallas, US
★★★★★ 5
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I’ve been really enjoying this Casio men’s watch as my daytime go-to for casual wear. It’s simple, reliable, and the vintage brown tone with the gold frame gives it an “old money” look without the high price tag. It works great as an affordable everyday watch, and it can also elevate smart casual or semi-formal outfits. Highly recommend for anyone new to watches who wants something versatile and budget-friendly.
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Reviewed in the United States on December 19, 2025

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