Edifier R1280DBS - 2.0 Lifestyle Bookshelf Bluetooth Studio Speakers - Optical/Coaxial, Bluetooth, Line In1, Line2, R/L: 21W+21W RMS, 51Hz-20KHz,Brown
Modern Design with Latest Technology
Qualcomm Bluetooth for stable wireless connection
Wooden enclosure isolates acoustic resonance
42 watts RMS total power for distortion-free listening
Supports Bluetooth, Optical, Coaxial, and Dual RCA inputs
Side-mounted panel and remote control for easy adjustment
Sub-out output works with an external subwoofer
Front-facing bass reflex port for punchy bass
Specifications
Total power output: R/L: 21W+21W RMS
Driver unit: Φ13mm tweeter unit + 4-inch mid-woofer
Signal-to-noise ratio: ≥85dBA
Frequency response: 51Hz-20KHz
Input sensitivity: 
LINE IN1 R/L:500±50mV
LINE IN2 R/L:600±50mV
Optical /Coaxial R/L:350±50mFFS
Bluetooth R/L:700±50mFFS
Input: LINE IN 1, LINE IN 2, Optical, Coaxial, Bluetooth
Audio codecs: SBC