VEGA Series 1-Channel Class-D Mono Block Amplifier - VCU81
Weight: 2.54 lb
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Overview
VEGA Series 1-Channel Class-D Mono Block Amplifier
Experience powerful and efficient bass performance with the Cerwin-Vega VCU81 VEGA Series 1-Channel Class-D Mono Block Amplifier, engineered to deliver high-output power in a compact and durable design. As part of the legendary Cerwin-Vega VEGA Series, this amplifier provides the performance and reliability needed to drive subwoofers with precision and authority.
The VCU81 mono block amplifier utilizes an advanced high-efficiency full-range Class-D digital topology, allowing it to deliver impressive power while maintaining excellent energy efficiency. This design minimizes heat generation and power consumption, ensuring consistent performance during extended listening sessions.
At the core of the VCU81 is an enhanced Power IR digital chipset, which provides superior stability and precise signal control. This advanced technology allows the amplifier to deliver clean, distortion-free bass output even when pushing demanding subwoofers to high performance levels.
Built for long-term durability, the amplifier features a conformal-coated 4-layer PCB (printed circuit board) that protects internal components from moisture, dust, and environmental stress. This rugged design helps ensure reliable operation in a variety of conditions, making it ideal for everyday driving or high-performance audio systems.
The Cerwin-Vega VCU81 amplifier also offers excellent installation flexibility. It supports both high-level and low-level inputs up to 12 volts, allowing seamless integration with factory head units or aftermarket audio systems. The Remote Turn-On Configurator provides multiple activation options, including REM, DC offset, and VOX signal sensing, simplifying installation in virtually any vehicle.
With enhanced RFI rejection technology, the amplifier reduces unwanted interference and ensures clean, clear audio output.
Key Features:
• 1-channel Class-D mono block amplifier
• High-efficiency digital topology for powerful bass output
• Enhanced Power IR digital chipset for stability and precision
• Conformal-coated 4-layer PCB for durability and reliability
• Hi and low-level inputs up to 12V for system compatibility
• Multiple turn-on options: REM, DC offset, and VOX
The Cerwin-Vega VCU81 VEGA Series amplifier delivers compact design, powerful bass performance, and dependable reliability, making it the perfect choice for powering high-performance subwoofers in modern car audio systems.
Specifications
POWER RATING
FREQUENCY RESPONSE (HZ): 40HZ - 400HZ
RMS POWER PER CHANNEL 4Ω 175W X 1
RMS POWER PER CHANNEL 2Ω 300W X 1
RMS POWER PER CHANNEL RMS 1Ω 500W
POWER SUPPLY
- Power Supply: Full PWM
- Power Supply Threshold: 10.0V-17.0V (DC)
- Idle Current: (0.7A)
DISTORTION
- THD 4 (1KHz @4Ω): 0.05%
- S/N Ratio (A weighted @1W): -85 dBA
- S/N Ratio (A weighted @FP): -101.1 dBA
INPUT SENSITIVITY
- Low Input Level: 200mV-10.0V
- High Input Level: 200mV-10.0V
INPUT IMPEDANCE
- Low Input Level: 20 KΩ
- High Input Level: 20 KΩ
OUTPUT STAGE
- Output Impedance: 0.011Ω
- Damping Factor (50Hz @ 4Ω): >250
- Bandwidth (-3dB): 10Hz-35KHz
CROSSOVER (-12/-24 dB/Oct)
- Variable High-Pass:
- Variable Low-Pass: 40Hz-400Hz
- Variable Sub-Sonic: 10Hz-55Hz
FUSE RATINGS
- ATC: 25A
DIMENSIONS
- L x W x H: 7.7”x 4.02”x 1.4” (195.6mm x 102mm x 36mm)
FEATURES
- Full Range Class D IR Chipset
- DirectFET Power Mosfet Output Stage
- SMD Technology on 4-Layer PCB Board
- Water Resistant Conformal PCB Board Coating
- 1-year Manufacturer's Warranty
- MFR #: VCU81
Product Manuals

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