Biamp REVAMP4120T 4-Channel Class-D Amplifier - 4 x 120W 100V or 4 Ohm - 2U

Biamp REVAMP4120T 4-Channel Class-D Amplifier – 4 x 120W 100V or 4Ω – 2U

Overview

The Biamp REVAMP4120T is a professional 4-channel Class-D power amplifier designed for versatile commercial and installed audio applications. Delivering 4 x 120W output power at 100V or 4Ω, the REVAMP4120T offers flexible multi-zone amplification with bridgeable operation, intelligent cooling and highly efficient Class-D technology.

Ideal for multi-zone commercial audio systems, hospitality venues, education facilities, retail environments and public address installations, the REVAMP4120T combines reliability, efficiency and installation flexibility in a robust 2U rack-mount chassis.

Flexible 4-Channel Amplification

The REVAMP4120T provides four independent amplifier channels suitable for distributed 100V speaker systems or low impedance installations.

• 4 x 120W RMS output at 100V or 4Ω
• 4 x 60W RMS output at 8Ω
• Suitable for multi-zone audio distribution
• Supports both low impedance and 100V line systems

Bridgeable High-Power Operation

Each pair of amplifier channels can be bridged to create higher output power configurations for demanding applications.

• Bridgeable to 2 x 240W output
• 240W bridged operation at 100V or 8Ω
• Ideal for larger speaker zones
• Flexible stereo and mono system configurations

Efficient Class-D Design

The amplifier incorporates efficient Class-D output topology with integrated output transformers and a high-efficiency switched-mode power supply.

• High-efficiency SMPS power supply
• Class-D amplification for reduced heat generation
• Lower power consumption
• Reliable long-term operation

Integrated High-Pass Filter

Each input stage includes a built-in 250Hz high-pass filter to optimise performance when driving horn loudspeakers or speech-focused systems.

• Integrated 250Hz HP filter
• Optimised for horn speaker systems
• Improved speech intelligibility
• Reduced low-frequency overload

Intelligent Cooling & Protection

The REVAMP4120T uses an intelligent variable-speed cooling fan that only activates when required, ensuring quiet operation and system protection.

• Temperature-controlled cooling fan
• Integrated limiter protection
• Dynamic audio protection without pumping effects
• Front-panel LED status monitoring

Versatile Installation Applications

The REVAMP4120T is designed for a wide range of commercial audio configurations.

• 4 mono zones
• 2 stereo zones
• Bridged mono installations
• Bridged stereo systems

Professional Connectivity

Flexible balanced and unbalanced connectivity simplifies integration into professional AV systems.

• 4 balanced line inputs
• 4 unbalanced line inputs
• 100V, 70V and low impedance outputs
• Professional rack-mount installation

Key Features

• Professional 4-channel Class-D amplifier
• 4 x 120W output at 100V or 4Ω
• Bridgeable to 2 x 240W operation
• High-efficiency SMPS power supply
• Integrated output transformers
• Built-in 250Hz high-pass filter
• Intelligent variable-speed cooling fan
• Limiter protection system
• Balanced and unbalanced inputs
• 2U 19" rack-mount chassis

Specifications

Applications

Perfect for hospitality venues, schools, offices, gyms, retail stores, houses of worship and commercial audio systems requiring multiple speaker zones with 100V or low impedance operation.

Q&A

Q: Can the REVAMP4120T operate with both 100V and low impedance speakers?
A: Yes, the amplifier supports both 100V line and low impedance speaker systems.

Q: Is the amplifier bridgeable?
A: Yes, channel pairs can be bridged to provide 2 x 240W output.

Q: Does the amplifier include DSP processing?
A: The amplifier includes integrated high-pass filtering and limiter protection but not full DSP presets.

Q: Is the cooling fan always active?
A: No, the intelligent fan activates only when required.