Ai-Sonic BT-A230 + OD52-B

Package of bluetooth amplifier and indoor/outdoor speakers. Amplifier Ai-Sonic BT-A230 Bluetooth HiFi-amplifier Load impedance 4-8 ohm Operating voltage 230 V 2x 25W RMS @ 8 ohm 2x 45W RMS @ 4 ohm 1x 90W RMS Bridged Frequency response 20 - 20 000 Hz THD 0.1 % Input sensitivity 0.2 - 10 V Treble control +- 10 dB @ 10 kHz Bass control +- 10 dB @ 100 Hz Bluetooth 4.2 Bluetooth range in open space 5 meters Bluetooth range in open space with Aux cable as antenna 15 meters USB for MP3, WAV, APE, FLAC, WMA One key power switch and volume control Remote included AuxIn/RCA cable included 1.5 meters Amplifier measurements: 33 x 97 x 150 mm Power source measurements: 31 x 56 x 127 Power cable length: 2 meters Speakers Ai-Sonic OD-52W Woofer 5,25″ Tweeter 13mm dome Impedance 4 Ohm Frequency response 68-21kHz Recommended amplifier 10-110W RMS Sensitivity 91dB 1m 2,83V Weight 2kg each UV-protected iP 54 rated ( Splash waterproof and dust protected ) Height 233mm Width 185mm Depth 165mm Depth with bracket 190mm.