The SR 4.500 is a top-class 4-channel amplifier. This high-performance Class D amplifier offers an impressive output power of 880 W with 4×125 W per channel. To combine functionality with aesthetics, Audison has paid attention to the many small details that together create a premium product. The SR 4.500 comes in a compact design, is easy to install, and features generous heat sinks to eliminate the need for internal fans. This high-quality overall package is complemented by sophisticated controls and a versatile filter section suitable for any audio system configuration. These features make the Audison SR 4.500 a solid choice for anyone looking for quality and performance in a handy format.

TECHNICAL DATA

• Amplifier Class D-Class
• Hi Level Input Yes
• Low Level Input Yes
• Digital Entry No
• Supply voltage / fuse 11 - 15 VDC / 2 x 25A
• Operating voltage of the power supply 6.5 - 17 VDC
• Idle current 1.7 A
• Idle current in the off state 0.09 mA
• Power consumption @ 14.4 VDC, 2Ω, Max music power 40 A
• Remote OUT 6.5 - 15 VDC (150 mA)
• Remote IN 6.5 - 15 VDC (1 mA)
• ART - Automatic On and Off with OUTPUT BTL Speaker (selectable) 1.5 - 7 VDC

AMPLIFIER SECTION

• Distortion - THD @ 100 Hz, 4Ω, 70% rated power 0.08 %
• Bandwidth A 10 Hz - 35 kHz
• S/N ratio A 105 dBA
• Damping factor A 200
• Input Sensitivity Pre-In 0.2 - 5 VRMS
• Input sensitivity Speaker-In 0.8 - 20 VRMS
• Total power RMS 880 W
• Minimal 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)
• Adjustable crossover Yes

CEA-SPECIFICATIONS

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

ENTRANCES

• Input Type Pre-In / Speaker-In
• Filters Outputs PRE OUT full range (Input A)
• Filter Pass Through A Front Ch Filters - Full Hi-pass: 50 - 3.2k Hz @ 12 dB/Oct.
• Filter Pass B Front Ch Filters - Full Lo-pass: 50 - 3.2k Hz @ 12 dB/Oct.
• Filter Pass C Rear Ch Filters - Full Hi-pass: 50 - 3.2k Hz @ 12 dB/Oct.
• Filter Pass D Rear Ch Filters - Lo-pass: 50 - 3.2k Hz @ 12 dB/Oct
• Channel Mono A/B Ch MONO IN (on/off) Yes
• Inputs/Outputs Sub CH (-20 - 6) dB
• Input/Output Bass Boost B Ch (0 -12) dB

FURTHER

• Weight 2.12 kg

DIMENSIONS

• Dimension A264 mm
• Size B234 mm
• Size C155 mm
• Dimension D135 mm
• Measurement E47.5 mm

PROPERTIES

• Elegant and functional design with rounded corners to minimize space requirements and facilitate installation.
• Built-in USS (Universal Speakers Simulator).
• Fully integrated crossover.
• The optional VCR-S1 remote control offers the ability to adjust the subwoofer level (-20 / + 6 dB) to your musical preferences.
• Symmetrical high-level inputs for connection to the OEM speaker output of the radio
• Low-Level-RCA for retrofitted radios
• ART (Automatic Remote On/Off) function.
• Remote IN / OUT socket for controlling multiple amplifiers.
• PRE-OUT allows for the expansion of the system.