VIBE Audio PowerBox 135.4 4 Channel Compact Class D Car Amplifier 4x135W RMS OEM Integration High Level Inpu

• Compact footprint with Compact Class D technology — 4 x 135W RMS @ 4Ω / 4 x 210W RMS @ 2Ω in a 47 x 198 x 121mm chassis
• OEM integration via high level input for seamless factory headunit connection with no aftermarket head unit required
• Included bass remote for continuous adjustment of amp levels on the go
• Auto-sense turn on eliminates need for remote wire — built-in HP/LP crossovers (30Hz – 5kHz) for precise frequency control
• Versatile bridging capability for active 2-way setups or full vehicle enhancement — Class D, 90dB S/N ratio, 20Hz-20kHz

The Powerbox 4 channel amplifiers are a premium compact amplifier series delivering exceptional specification at a competitive price point — high-end performance without the compromise. Built on a compact Class D chassis, their discreet footprint makes them ideal for seamless integration with OEM head units, fitting precisely where space is at a premium. With four channels of versatile, high-performance audio, they are perfectly suited to refined smaller installs where efficiency and sonic excellence go hand in hand. The Powerbox series combines impressive power output with the high efficiency of Class D technology in a remarkably small package. Each amplifier features high level inputs with auto-sense turn on, fully compatible with stop/start charging systems, making OEM integration effortless. Built-in HP/LP crossovers spanning a wide frequency range and remote gain control provide precise tuning flexibility straight out of the box. Whether you’re building an active front stage, upgrading to component speakers, or enhancing an entire vehicle audio system, the Powerbox range delivers the versatility and performance to get it done.