Studiomaster QX4-2600 4x 1100W at 4 Ohms 1U Digital Power Amplifier
Studiomaster QX4: Picture 1 thumbnail
Studiomaster QX4: Picture 2 thumbnail
Studiomaster QX4: Picture 3 thumbnail
See all Studiomaster items
22% Off

Studiomaster QX4-2600 4x 1100W at 4 Ohms High Performance 1U Digital Power Amplifier

SKU: STQX42600 MFR: QX4-2600
Be the first to review this itemAsk a Question
$1,819.00
$2,345.00
Save: $526 (22%)
OR
$152/mo suggested payments with 12‑month special financing. Learn how.
Earn VIP Reward Points

Key Features

  • Experience high power output with this Studiomaster power amplifier, up to 1100W at 4 Ohms!
  • Achieve pristine audio clarity with a low THD, ensuring your sound is always crystal clear.
  • Enjoy a high signal-to-noise ratio, delivering clean audio free from unwanted background noise.
  • This power amplifier features balanced input impedance for optimal signal transfer and quality.
  • Benefit from reliable protection circuits, safeguarding your equipment from potential damage.
  • High damping factor ensures tight, controlled bass response, enhancing your overall sound quality.
See More Product Details
Special Order?Estimated to Ship: 08/21/2025
Free Shipping

See Options

1
Add to ListGet Sale Alert

Protect your gear with Adorama Protect.* Learn more

2 Year

$179.99

3 Year

$249.99

5 Year

$489.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Browse our FAQ

See Terms & Conditions

Studiomaster QX4 Specifications

  • Slope (1kHz, Bypass LPF)

    50V/us

  • Input Sensitivity 1kHz

    Option: 41dB, 38dB, 35dB, 32dB

  • THD+N

    0.01% (10% rated output power)

  • IMD-SMPTE

    0.01% (10% rated output power)

  • DIM30

    0.01% (10% rated output power)

  • Crosstalk rejection

    >80Db (less than rated power, 20Hz - 1kHz)

  • Frequency Response

    0.2dB (10% rated output power, 8ohm, 20Hz - 20kHz)

  • Input Impedance

    20k ohm (bal), 10k ohm (unbal)

  • Damping Factor

    5000 (8ohm, 20Hz - 200Hz)

  • S/N ratio

    >105-112dB (A weighted, 20Hz-20kHz)

  • Power supply

    90-260VAC, 50/60Hz

  • Protection

    low voltage/overoad/thermal/DC output protection

  • Wattage

    8ohms Stereo: 4x650 watts
    4ohms Stereo: 4x1100 watts
    2ohms Stereo: 4x1870 watts

    16ohm Bridged: 2x1300 watts
    8ohm Bridged: 2x2200 watts
    4ohm Bridged: 2x3740 watts

  • Dimensions (W x H x D)

    19 x 1.7 x 18" (483 x 44 x 462mm)

  • Weight

    22-26.4 lbs (10-12kg)

  • UPC Code

    5060255344293

About Studiomaster QX4

The QX series of digital power amplifiers feature advanced amplifier adjustment technology to give over 95% efficiency, and stable performance at high current, low impedance conditions.

Additional features include active power factor correction (PFC) and ultra reliable soft power switching power supply which will operate universally between 90-250VAC.

The QX series are all 1U height, lightweight designs, weighing less than 12kg. Both 2 and 4 channel versions are available, giving power ratings from 2550 watts per channel up to 5100 watts per channel at 4ohms.

At 2ohm operation, the flagship QX4-8000 will supply up to 4 x 4760 watts, making these amplifiers supply extremely high performance, and provide cost effective solutions for multiple install and rental applications, for example line array systems.

Studiomaster QX4 Features

  • Energy saving with over 95% efficiency
  • Power factor correction (PFC)
  • Universal 90-250V power supply
  • 4-channel model
  • Reliable efficient operation down to 2ohm loads
  • Variable speed fan cooling
  • Internally modular design for quick maintenance
  • Stereo/parallel/bridge modes
  • Multiple gain modes
  • Output limiter
  • Balanced XLR inputs
  • 32A mains power input socket
  • Thermal, overload, DC protection
  • Thermal, fault and limiter indicators

Join VIP PRO

2 Day Delivery on thousands of items!

Sell or Trade your Gear

Get started in 3 easy steps

Key Features

  • Experience high power output with this Studiomaster power amplifier, up to 1100W at 4 Ohms!
  • Achieve pristine audio clarity with a low THD, ensuring your sound is always crystal clear.
  • Enjoy a high signal-to-noise ratio, delivering clean audio free from unwanted background noise.
  • This power amplifier features balanced input impedance for optimal signal transfer and quality.
  • Benefit from reliable protection circuits, safeguarding your equipment from potential damage.
  • High damping factor ensures tight, controlled bass response, enhancing your overall sound quality.

What's in the box:

  • QX4-2600 4x 1100W at 4 Ohms High Performance 1U Digital Power Amplifier
  • Studiomaster 1 Year Limited Warranty