Edifier R1080BT Bluetooth Desktop Speaker, US Plug 1. 19mm diameter tweeter + 4-inch mid-bass, golden acoustics, pure sound quality 2. 19mm diameter silk dome tweeter, special coating makes the sound performance more delicate and clear 3. Ripple corrugated diaphragm, which can reduce segmentation vibration, lower distortion, and fully show the middle and low frequency details 4. Precise control of digital audio processing, higher efficiency of Class D digital power amplifier 5. High power, free to enjoy, can fully cover 30 square meters of space 6. LC capacitive filter circuit, can input the signal frequency band matching the characteristics of the treble and mid-bass unit to obtain a purer sound 7. The slightly curved front panel also increases the toughness of the panel, effectively preventing the interference of sound waves 8. MDF structure wooden box, effectively reducing resonance interference, natural pure sound 9. CSR8635 Bluetooth chipset, better compatibility, more stable performance, longer transmission distance, more convenient to use when connected to mobile phones 10. Top button, humanized operation 11. Ring indicator light, simple and clear 12. Two inputs, connected at the same time 13. AUX input sensitivity: about 550mV 14. Line in input sensitivity: about 700mV 15. Bluetooth input sensitivity: about 550mFFS 16. Audio input: AUX, Line in, Bluetooth 17. Frequency response range: 67-20000Hz 18. Channel: 2 19. Power: 2x12W 20. Cabinet material: wood 21. Adjustment mode: button 22. Features: digital audio, low-amplification power, inductive capacity frequency division 23. Signal-to-noise ratio: greater than or equal to 85 decibels 24. Weight: 4kg 25. Box size: 238 x 115 x 155mm