Audison SR 4.500 Amplifier

Audison SR 4.500 4-Channel Amplifier | 880W Total Power | D-Class | Ultra-Compact | OEM Integration | ADT Technology

The Audison SR 4.500 Amplifier is a compact yet powerful 4-channel D-Class amplifier, delivering 880 watts total output power (4 x 220W @ 2Ω / 130W x 4 @ 4Ω). Designed for high-efficiency performance and effortless installation, this amplifier is ideal for both OEM system upgrades and aftermarket audio setups.

Crafted with precision, the SR 4.500 features a robust extruded aluminum body with rounded corners, allowing it to fit easily into tight installation spaces. The amplifier’s generous side-mounted heat sinks ensure optimal cooling without the need for internal fans, eliminating unwanted noise and dust accumulation.

Engineered for maximum system compatibility, the amplifier incorporates a complete built-in crossover section, making it adaptable to a wide variety of car audio configurations. The top-mounted, satin-finished aluminum control panel ensures easy access to all settings, even after installation. When paired with an Audison bit processor, the filter section can be completely bypassed to suit more advanced systems.

The SR 4.500 also supports flexible connectivity, including balanced high-level inputs for direct connection to OEM head units and RCA low-level inputs for aftermarket sources. Thanks to Audison USS (Universal Speakers Simulator), the amplifier is fully compatible with factory systems that feature speaker-load detection. The ART (Automatic Remote Turn-On/Off) and Remote IN/OUT functions allow seamless power management for multi-amplifier setups.

With PRE-OUT via Speaker-IN, the amplifier can integrate with OEM systems that only offer amplified outputs, enabling easy system expansion. Optional VCR-S2 remote control gives users the ability to fine-tune subwoofer levels between -20 dB and +6 dB for a fully personalized listening experience.

Key Features

• 880W Total Power Output: 4 x 220W @ 2Ω for powerful, distortion-free audio
• Audison D-Class Technology (ADT) for compact size with exceptional sound quality
• Aluminum body with rounded corners for easy installation in tight spaces
• Side-mounted heat sinks eliminate need for internal fans
• Complete built-in crossover section, adaptable to all configurations
• Balanced high-level and RCA low-level inputs
• USS (Universal Speakers Simulator) for OEM compatibility
• ART (Automatic Remote Turn-On/Off) for seamless system integration
• Remote IN/OUT socket for multiple amplifier control
• PRE-OUT support for system expandability
• Optional VCR-S2 remote for subwoofer level control

Advanced Technologies

• ADT (Audison D-Class Technology): Operates at double the switching frequency of conventional Class D amplifiers. Paired with 4th-order analog low-pass filters, this minimizes EMI and phase shift, while maximizing sound fidelity across all frequencies.
• All Channels Driven Philosophy: Ensures consistent power delivery across all channels simultaneously.
• Bridging Option: Maximum flexibility for pairing channels in different configurations.
• USS Technology: Maintains full compatibility with OEM head units equipped with speaker-load detection functions.

accessories

• VCR-S2 Subwoofer Remote Control: Adjust subwoofer levels in real time (-20 dB to +6 dB) based on your musical preference or genre.