B-Stock, Mackie CR4.5 BT; active multimedia speaker 4.5" with Bluetooth 5.0; woven woofer 4.5"; silk dome tweeter; frequency range: 50 Hz - 20 kHz; max. SPL: 100 dB; Class-D amp 50 Watt peak; tone control switch, volume switch; switch for Desktop and Bookshelf mode; posititon switch L/R; build-in power supply 100 - 240V / 50 - 60 Hz; connections: 2x Line Input 6.3 mm jack / 2x RCA (L/R Stereo) / 3.5 mm Stereo Mini Jack, Stereo Headphone out 3.5 mm Mini jack, speaker connector L/R; dimensions: 226 x 155 x 211 mm (HxWxD); weight: 4.5 kg; price per pair, B-Stock with full warranty, may have slight traces of use