What’s in the box: Horizon 2 DAB Adaptor Pig-tail Antenna QSG/Safety sheet/Warranty card Technical Specifications General specification Model No.: JBL Horzion 2 Transducer: 2 x 1.5"/2 x 38mm Rated output power: 2 x 4W RMS Frequency response: 75Hz–20KHz (-6dB) Signal-to-noise ratio: >80dB Power supply: 13V/2.2A Alarm backup battery: CR2032 USB charge out: 5V / 2A (maximum) Wireless specification Bluetooth® version: 4.2 Bluetooth® profile: A2DP V1.3, AVRCP V1.6 Bluetooth® transmitter frequency range: 2.400 – 2.4835GHz Bluetooth® transmitter power: 0-7dBm (EIRP) Bluetooth® transmitter modulation: GFSK/π/4 DQPSK/8DPSK Radio specification FM Tuning range: 87.5MHz – 108MHz (varies by countries) DAB Tuning range: 174.928MHz – 239.200MHz (Band-III) Dimensions Dimensions (W x H x D): 178 x 162 x 75.7 (mm) / 7.0" x 6.4" x 3.0" Weight: 0.81kg (1.78lbs)