Car Amplifier 2.1CH Hifi Stereo System - Bluetooth USB - 12V

Specifications: output power: rms 20w+20w 1khzsignal level: 220mv 47k design: mini,portablecompatible with: mobile phone,mp3,mp4,pcsupports: remote control,sd card music playing,volume controlfunctions: stereoconnection: wiredinterface: 3.5mm audio,sd card slotaudio source: electronic products with 3.5mm plug,sd card,u-diskmaterial: aluminumcolor: blue freq: 20hz-20khzs/n: 85dbdistortion: less than 0.05 percent 4w 1khzfm radio frequency: 87.5-108mhz input: dc 12v package weight: 0.361 kg product size (l x w x h): 15.40 x 11.00 x 4.20 cm / 6.06 x 4.33 x 1.65 inchespackage size (l x w x h): 15.50 x 11.00 x 4.40 cm / 6.1 x 4.33 x 1.73 inches package contents: 1 x remote control, 1 x mt- 502 amplfier, 1 x english manual delivery services available free delivery within cbd