Crescendo Evolution 1A4 V2 is 4 channel amplifier to drive 1 set of 2 way front speaker with 65 Watts of power and 1 piece of 4 ohm subwoofer with 200 Watts of power. This amplifier will satisfy enthusiasts who pursue good sound quality with efficient budget. On top of that, the size is sleek enough to fit under the front seat.

Crescendo Evolution 1A4 V2 is the successor of Evolution 1A4 with whole new preamplifier design to improve sound musicality.

Some modern features of Evolution 1A4 V2 as follows:

• Auto on function can detect music and automatically turn on the amplifier even though the remote cable is not applied. This function is very useful to connect the amplifier to OEM Head Unit without remote output.
• Preamplifier has 2 options of High Level Input or Low Level Input so it can be used with both OEM Head Unit or aftermarket Head Unit.

Technical Data

• Weight: 1.9 kg
• Dimensions: 253 × 140 × 56 mm
• Amplifier Design: Class AB medium bias
• Cosmetic appearance: Black with silver lining
• Number of channel(s): 4
• Power at 4 Ω stereo: 4 x 65 Watt
• Power at 2 Ω stereo: 4 x 100 Watt
• Power at 4 Ω bridged: 2 x 200 Watt
• Minimum speaker load: 2 Ω at stereo, 4 Ω at mono
• Input sensitivity: 0.2 – 5 V
• Frequency response: 15 Hz – 25 kHz
• Fuse: Not available
• Low pass filter: 50 Hz – 750 Hz
• High pass filter: Off – 200 Hz
• Total harmonic distortion at 4 Ω: < 0.05%
• Signal to noise ratio: > 80 dB
• Remote control: Not available
• Low voltage protection: Yes, protect < 8 Volt
• Overheat protection: Yes, at 80 Celcius / 176 Fahrenheit