Excalibur X275.2 2-Channel Car Audio Power Amplifier 2x75W RMS at 4 Ohm 2x112.5W RMS at 2 Ohm 225W Bridged Variable HPF LPF Crossovers Bass Boost and Thermal Protection for High End Audio Systems.

The Excalibur X275.2 is a 2-channel Class AB amplifier designed to deliver reliable power and flexible performance for car audio systems. With a compact footprint of 188 × 184 × 55 mm, it fits easily into most vehicles while still providing solid output. In stereo mode the amplifier delivers 2 × 75W RMS at 4 Ω, while in bridged mode it provides 1 × 225W RMS at 4 Ω. When running at 2 × 112.5W RMS at 2 Ω, it offers additional flexibility for different speaker setups, making it a versatile choice for powering both full-range speakers and subwoofers. Engineered for clear and dynamic sound, the X275.2 has a frequency response of 20Hz – 20kHz (±1dB), ensuring both deep bass and crisp highs. With a total harmonic distortion of just ≤0.1% and a signal-to-noise ratio above 90dB, the amplifier maintains audio clarity even at higher volumes. The input sensitivity of 0.2 – 6V allows easy integration with a wide variety of head units, ensuring compatibility with both factory and aftermarket systems. This makes the X275.2 adaptable for many installation scenarios, whether used to enhance front speakers or to drive a dedicated subwoofer. The amplifier uses two recommended 20A fuses to safeguard performance under load. Its Class AB design balances efficiency with musicality, providing strong low-end presence alongside detailed mids and highs. Built to deliver consistent power, the X275.2 is suited for daily driving and long trips, giving music a more dynamic and engaging presentation compared to stock systems. Compact, reliable, and easy to integrate, the Excalibur X275.2 is an effective way to boost in-car audio without excessive complexity. Whether you install it for front-stage clarity or bridge it for low-frequency reinforcement, this amplifier supplies dependable performance, balanced sound, and long-term durability for everyday use.