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Pure Amplification
Zero Coloration
REVOLUTION 7A4 v2 AMPLIFIER
High-end 4-channel car amplifier built for absolute transparency. The Revolution 7A4 v2 amplifies without coloration—more open, more dynamic, refined against a blacker background.
Reference-grade 4-channel car amplifier built for absolute transparency. The Revolution 7A4 v2 amplifies without coloration—more open, more detailed, and dynamic against a blacker, quieter background.
ON MJW Transistors
Modern, open, detailed sound from premium final transistors.
Buffered VAS
400× the current for greater dynamics and headroom.
Visible Craftsmanship
Two viewing windows showcase interior and custom clips.
*Harmonic Harmony MINI ANL sold separately
SPECIFICATION
Product Name
Crescendo Revolution 7A4 v2
Product Type
Weight
Dimensions (W x D x H)
Cosmetic Appearance
Amplifier Design
Number of Channel
Power at 4 Ω Stereo (14.4 V)
Power at 2 Ω Stereo (14.4 V)
Power at 4 Ω Bridged (14.4 V)
Minimum Speaker Load
Input Sensitivity
Input Impedance at 1 kHz
Frequency Response (-0.5 dB)
Total Harmonic Distortion (1 W, 20 Hz - 20 kHz)
Signal to Noise Ratio (rated power)
Signal to Noise Ratio (CEA - 2006, 1 W)
Channel Separation (rated power)
Effective Damping Factor (20 Hz - 20 kHz)
Working Voltage
Filter or Active Crossover
Preamplifier Bypass Option
Fuse
Protection
Power Amplifier
4.5 kg
360 mm x 215 mm x 61 mm
Black and Silver
Class AB High Bias
4
150 W per Channel
240 W per Channel
480 W per Channel
2 Ω
5 V to 900 mV
10 kΩ
5 Hz - 100 kHz
0.0035%
110 dBA
97 dBA
58 dB
>150
10 - 16 Volts
No
Yes
2 x 50 Amperes (Standard)
Thermal and short circuit
REVOLUTION AMPLIFIER SERIES
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