eBay

powered bookshelf speakers w/ Bluetooth, built-in EQ + premium build
stream lossless + high-def Bluetooth V5.0 w/ Qualcomm aptX HD decoding
on-board rotary controls for volume, bass, and treble (located on rear of speaker)
(2) separate RCA inputs: connect (2) inputs at once (select input by pushing volume knob)
HD audio compatible via optical + coaxial inputs
OLED LCD screen displays input status
(2) professional digital processing DSP chips manage frequency division + distribution for maximum sound stage clarity
(4) switchable EQ preset modes (Monitor, Dynamic, Classical, and Vocal)
active monitors, no need for an amplifier
includes wireless remote control for easy switching between inputs
remote can control Bluetooth connected devices
includes all necessary cables

output: up to 130 Watts RMS
signal to noise ratio: ≥90dB (A)
noise level: ≤25dB (A)
frequency response: 45Hz – 40kHz
bass unit: 5.5"
tweeter: Planar diaphragm
input sensitivity: LINE IN1: R/L:800±50mV / LINE IN2: R/L:600±50mV / OPT/COA: R/L:350±50mFFs / Bluetooth: R/L:450±50mFFs
dimensions (WxDxH): 7.8" x 10.7" x 13.5" / 198 x 276 x 342mm
weight: 44 lbs / 20 kg