Amplifier with power rating of 15 W RMS in low impedance (4 ~ 16 ohm). 12 V DC power supply. Dimensions 152 x 40 x 140 mm. Weight 0.7 kg. Front microphone input (3.5 mV, 600 ohm) and aux input (85 mV, 10 kohm) with jack connectors. Tone Generator alarm (siren or fog). Designed for applications in service vehicles. OPTIMUS model ref. BS-12.
Autonomous amplifier for hotel rooms. Power supply 230 V AC / 50 Hz, from circuit breaker. Power output 3.5 W / 16 ohm, 5 W / 8 ohm. TDH <0.3% (1.5 W). Input range -10 dBu (250 mV RMS/700 Vpp) to +7 dBu (1.8 V RMS / 5 Vpp). Impedance more than 22 kohm input. Input level +6 dBu / 1,300 ohm (4.4 Vpp). It can receive an audio signal with priority fron public address system. Terminal connections (power supply, volume control and speakers). Includes 2m cable for signal input from TV SCART and minijack. Dimensions 143,5 x80 mm front panel. Model 2653AS of IMPROVE (OPTIMUS).