The Boschmann XQ-100CTR is a high-efficiency dual BTL single-channel amplifier designed for a single speaker. It delivers a nominal power of 20W RMS and a maximum music power of 35W, operating across a frequency range from 20Hz to 30,000Hz. This Japanese-made unit from BM Audio Labs, Inc. features a sensitivity of 90dB, an input impedance of 10kohm, and an input voltage of 0.5V, with a power consumption of 3A. The device is housed in a compact chassis measuring 115 x 90 x 50 mm and weighing 400g, equipped with a power LED and a gain adjustment knob for controlling output levels via a low-level RCA input. The package includes a 5m RCA monoral cable, a wire harness, a bracket with screws, an adhesive velcro patch, and an instructional manual.