ESX SX900.2 (24V)

With the SIGNUM SXT power amplifiers, ESX opens a new chapter in mobile amplifier technology. Designed specifically for trucks with 24V electrical systems, these German-engineered amplifiers offer outstanding sound, massive power, and maximum reliability – exactly what you need for everyday use on the road. The one-piece die-cast aluminum heat sinks ensure optimal heat dissipation and provide a sophisticated look. Combined with modern Class D technology, the ESX amps are compact, highly efficient, and incredibly powerful. Perfect for anyone who demands top-notch sound, even in a truck.   The SXT900.2 delivers ample power and remains stable down to 1 ohm – a true exception in the under €300 class. With 2 x 200 watts RMS at 4 ohms, 2 x 330 watts at 2 ohms, and a powerful 2 x 450 watts at 1 ohm, it effortlessly drives even the most demanding speaker systems. In bridged mode, it offers 660 watts RMS at 4 ohms or an impressive 900 watts RMS at 2 ohms – ideal for filling even large cabs with rich sound. In Car&Hifi magazine (1/2026), the SXT900.2 caused quite a stir: It even measured 600 watts RMS at 1 ohm – per channel! With an overall score of 1.1, the SXT900.2 deservedly earned the POWER TIP in its top class. Features Efficient Class D Technology with compact Dimensions Die-cast Aluminum Heatsink with optimal Cooling Properties RCA Inputs, RCA Outputs Compact Bass Remote Controller   High Level Inputs with Error Protection System (EPS®) Auto Turn-On Function Start/Stop Ready 1-Ohm stable Specifications 2-Channel Class D Digital Amplifier 2 x 200/330/450 Watt RMS @ 4/2/1 Ω 1 x 660/900 Watts RMS  @ 4/2 Ω bridged HPF/LPF 50 – 5000 Hz Bass Boost 0 – 12 dB Dimensions 140 x 44 x 225 mm Efficiency up to 90% Downloads Owner’s Manual Test Review