Audison SR 4.500.2 SR Series 220W x 4 RMS @2Ohms Class D 4-Channel Amplifier

Features:

• High Power In A Compact Size
• New D-Class Technology called ADT (Audison D-Class Technology)
• Made it possible to reduce the size of the amplifiers while preserving the audio performance that characterizes every Audison product. 

Power Supply:

• Power supply voltage / fuse: 11 ÷ 15 VDC / 2 x 25A
• Operating power supply voltage: 6.5 ÷17 VDC
• Idling current: 1.7 A
• Idling current when off: 0.09 mA
• Consumption @ 14.4 VDC, 2Ω, Max Musical
• Power: 40 A
• Remote IN: 6.5 ÷ 15 VDC (1 mA)
• Remote OUT: 6.5 ÷ 15 VDC (150 mA)
• ART - Automatic Remote Turn on/off from
• OUTPUT BTL speakers (Selectable): 1.5 ÷ 7 VDC

Amplifier Stage:

• Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power: 0.08 %
• Damping factor @ 1 kHz, 4Ω, 2 VRMS: 200
• Bandwidth @ -1.5 dB: 10 Hz ÷ 35 kHz
• S/N ratio (A weighted @ 1 V Input): 105 dBA
• Pre-In sensitivity: 0.2 ÷ 5 VRMS
• Speaker-In sensitivity: 0.8 ÷ 20 VRMS
• Minimum load impedance:
  • @4Ch: 2Ω
  • @ 3Ch: 2Ω + 2Ω + 4Ω
  • @ 2Ch: 4Ω
• OUTPUT POWER (RMS) @14.4 VDC, 1% THD:
  • 4Ch: 130 W x 4 (4Ω)
  • 4Ch: 220 W x 4 (2Ω)
  • 3Ch: 120 W x 2 (4Ω) + 480 W x 1 (4Ω)
  • 3Ch: 220 W x 2 (2Ω) + 440 W x 1 (4Ω)
  • 2Ch: 450 W x 2 (4Ω)

CEA Specifications:

• Output power @ 4?, 1% THD+N, 14.4 V: 125 W x 4 Ch
• SN ratio (ref. 1W output): 83 dBA