Edifier R1700BT Wireless Bluetooth HIFI Computer Speaker Subwoofer 2.0 1. It adopts CSR Bluetooth 4.0 module, which has lower power consumption, shorter delay and longer transmission distance. At the same time, its electro-acoustic circuit part adopts the circuit platform of Edifiers DPS architecture and has been adjusted. , the RMS power of the whole machine is close to 66W (mid-bass 18W x 2, treble 15W x 2) 2. Walnut grain veneer side panels, 10-degree small elevation design, more in line with the ideal listening angle can reduce standing wave interference, the sound quality is purer, and the appearance is elegant and not rigid 3. Mid-bass 18W x 2, treble 12W x 2, the undistorted power of the whole machine is close to 66w 4. Audio input interface: PC, AUX, Bluetooth 5. Adjustment form: side adjustment, remote control adjustment 6. Audio channel: 2.1 7. Connection method: Bluetooth connection 8. Frequency range: 100HZ-20KHZ 9. Number of speakers: 2 10. Cabinet material: wood 11. Channel separation: greater than or equal to 45 decibels 12. Play format: MP3 13. Speaker adjustment method: knob 14. Signal-to-noise ratio: greater than or equal to 85 decibels 15. Input sensitivity: PC: 700mV, AUX: 550mV 16. Input voltage: 220v 17. Output power: 66w 18. Woofer unit: 4 inches (diameter 116), 6 ohms 19. Tweeter unit: diameter 19 silk film tweeter, 6 ohms 20. Remote control power supply mode: built-in button battery 21. Main box size: 154 x 254 x 214 mm; auxiliary box size: 154 x 254 x 209mm 22. Weight: 6.6kg Packing list: -1 x main box -1 x vice box -1 x remote control -1 x audio cable -1 x main and auxiliary box connection -1 x instruction manual x 1 -1 x warranty card