Audison SR 4.500 – 4-Channel Car Audio Amplifier (130 W x 4 @ 4Ω RMS, 14.4 VDC, 1% THD)

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Audison SR 4.500 – 4-Channel Car Audio Amplifier (130W x 4 @ 4Ω RMS, 14.4VDC, 1% THD) | Free Shipping

BIG POWER IN A COMPACT DESIGN!We proudly present the updated Audison SR 4.500, originally launched in 1988 and now equipped with cutting-edge technology for unmatched performance and efficiency.

✅ Compact, Stylish & PowerfulThanks to Audison's new ADT (Audison D-Class Technology), this amplifier delivers excellent audio performance in a smaller form factor. The extruded aluminum body with rounded edges ensures easy installation even in tight spaces — no internal cooling fans required.

🎚️ Top-Mounted ControlsThe full-featured crossover and control panel are located on the top side, protected by a brushed aluminum cover, for easy access even after installation.

🔗 Versatile Connectivity & OEM IntegrationWith USS (Universal Speakers Simulator) technology, the SR 4.500 can be connected to factory head units with speaker-load detection. It supports both high-level speaker inputs and low-level RCA inputs. The ART (Automatic Remote Turn-On/Off) feature is also available when using high-level inputs.

🔄 Expandable SystemIncludes PRE-OUT full range outputs and remote IN/OUT sockets to daisy-chain multiple amps easily.

📊 Specifications:

• Amplifier Type: 4-channel Class D (ADT Technology)

• Power @ 4Ω (RMS): 130 W x 4

• Power @ 2Ω (RMS): 220 W x 4

• 3-Channel Power: 120 W x 2 (4Ω) + 480 W x 1 (4Ω)

• Bridged (2-Channel): 450 W x 2 (4Ω)

• THD: 0.08% @ 1 kHz, 4Ω

• S/N Ratio: 105 dBA (A-weighted)

• Bandwidth: 10 Hz – 35 kHz

• Damping Factor: 200 @ 1 kHz

• Input Sensitivity:

  • Pre-In: 0.2 – 5 VRMS

  • Speaker-In: 0.8 – 20 VRMS

• Filters (Front/Rear Channels):

  • HPF & LPF: 50 – 3.2 kHz (12 dB/Oct)

• Bass Boost: 0 – 12 dB @ 50 Hz

• Minimum Load:

  • 4 Ch: 2Ω

  • 3 Ch: 2Ω + 2Ω + 4Ω

  • 2 Ch: 4Ω

• Dimensions: 264 x 155 x 47.5 mm

• Weight: 2.12 kg

• Fuse Rating: 2 x 25A