Condition: 100% Brand New Item Type: Module Material: ABS Color: As Pictures Shown Output Power: 500mWActuating Receiver3Wx2Actuated Loudspeaker Frequency Range50Hz-18KHz Receiving Frequency Range: Close Campus Radio: 87.0MHz-108.0MHz Open Campus Radio: 76.0MHz-108.0MHz Equivalent Noise30dB Power Supply Voltage: 3.0V-5.0V Channel: Stereo Power Supply Current: Maximum Volume 1000mA, Minimum Volume Under 60mA Weight: Approx. 36g Package List 1 x Module 1 x Accessory Kit 1Using digital signal processing and FM modulation phase lock loop advanced technology, make sound more lifelike, performance more stable and working time longer without frequency deviation. 2LCD display more intuitive and accurate, with very low power consumption and minimal noise interference. 330 range digital volume adjustment, easy to operate by key, automatic data storage before power failure. 4Automatic switching speaker and receiver output, adopts quartz frequency stability, temperature change no longer affected by frequency drift. 5Professional audio signal analysis processing, FM signal noise automatic silence or weak signal, annoying rustle to eliminate traditional FM radio no signal or weak signal trouble. 6Using digital incremental rotation encoder adjusts volume and frequency, good hand feeling, accurate positioning, stable and durable, 360 rotation without dead angle. 7Support serial communication control, can use computer or MCU module equipment can control all functions.