Extremely compact 5 W belt amplifier, belt amplifier with active speaker and headset microphone, with adjustable snap-in strap, a complete success as a sound system ideal for professional promotion events "on the road" or leisure promotion of shows, Ideal for any independent sector and wireless applications such as seminars, conferences, presentations, trade shows, fashion shows, solo artists, weddings, sales stands, aerobics etc, for amplification Voice with a maximum of 50 listeners, with mic input, audio input, tone control and volume control, power supply power by 6 batteries optional Mignon (type AA) or rechargeable batteries, built-in battery charger, optional power unit to charge rechargeable batteries, Power supply: 9 V DC, per power unit: 9 V DC, 300 mA, per batteries: 6 x 1.5V Cute (AA), power consumption: 3 W, Nominal output power: 5 W RMS, Maximum output power: 8 W, Distortion: 5%, S/N: 50 dB, Frequency range: 50 Hz - 10 kHz, Battery operation: 6 - 8 hours Charging time: 10 hours, Microphone type: Uni-directional electret headphone microphone, microphone input e: 3.5 mm jack, audio input: 3.5 mm jack, Dimensions: 140 x 100 x 50 mm Weight: 230 g.