Studio Master QX4-2600 | Amplifier: 3,740W x2 at 4 Ohms

High-Efficiency 4-Channel Digital Power Amplifier

The Studiomaster QX4-2600 is a compact 1U digital power amplifier offering powerful performance with a lightweight design. Delivering up to 3740 watts in 4-ohm bridged mode, this amplifier is ideal for professional audio installations, providing reliable and efficient power with advanced protection features.

Studiomaster QX4-2600 Competitive Differences

• 4-channel model providing up to 1100 watts per channel at 4 ohms, suitable for versatile audio setups.
• Energy-saving design with over 95% efficiency, reducing power consumption.
• Active power factor correction (PFC) ensures stable performance across a wide voltage range (90-250VAC).
• Compact 1U rack-mount design for easy installation in space-constrained environments.
• Reliable operation down to 2-ohm loads, making it ideal for demanding setups.
• Integrated protection features: thermal, overload, DC protection, and fault indicators.

Studiomaster QX4-2600 Description

The Studiomaster QX4-2600 is part of the QX series of digital power amplifiers, designed for high-performance sound reinforcement in professional applications. With a power output of 1100 watts per channel at 4 ohms and 3740 watts in 4-ohm bridged mode, it delivers clear, powerful audio with low distortion. Its 1U form factor makes it easy to integrate into any rack setup, while the lightweight design (under 12 kg) allows for flexibility in installation. The QX4-2600 features advanced amplifier adjustment technology, achieving over 95% energy efficiency. Active PFC ensures smooth power handling across varying voltages, making it suitable for use in different regions. The amplifier includes a variable speed fan cooling system, keeping it operating at optimal temperatures, and its modular design allows for quick and easy maintenance.

QX4-2600 Features

• Power output: 4x 650W at 8 ohms, 4x 1100W at 4 ohms, 4x 1870W at 2 ohms
• Bridged power: 2x 1300W at 16 ohms, 2x 2200W at 8 ohms, 2x 3740W at 4 ohms
• Efficiency: Over 95% energy-saving design
• Active power factor correction (PFC)
• Universal power supply: 90-250VAC, 50/60Hz
• Multiple operational modes: Stereo, parallel, and bridge
• Variable speed fan cooling for optimal temperature control
• Internally modular design for easy maintenance
• Balanced XLR inputs for secure signal connection
• 32A mains power input socket
• Output limiter for speaker protection

QX4-2600 Specifications

• Power Output (4 ohms): 4x 1100W
• Power Output (8 ohms): 4x 650W
• Power Output (2 ohms): 4x 1870W
• Bridged Power Output (4 ohms): 2x 3740W
• THD+N: 0.01% (10% rated output power)
• IMD-SMPTE: 0.01% (10% rated output power)
• Damping Factor (8 ohms, 20Hz-200Hz): 5000
• Frequency Response: 20Hz - 20kHz (0.2dB at 10% rated output, 8 ohms)
• Crosstalk Rejection: >80dB (20Hz-1kHz)
• Input Sensitivity Options: 41dB, 38dB, 35dB, 32dB
• Input Impedance: 20k ohm (balanced), 10k ohm (unbalanced)
• S/N Ratio (A-weighted): >105-112dB
• Protection: Low voltage, overload, thermal, DC output protection
• Cooling: Variable speed fan
• Dimensions: 19 in x 1.73 in x 18.2 in (48.3 cm x 4.4 cm x 46.2 cm)
• Net Weight: 22 lbs (10 kg)

What's In The Box

• Studiomaster QX4-2600 Power Amplifier
• Power Cable
• User Manual