Acoustic Audio AA2103 Bluetooth Home 2.1 Speaker System with Optical Input for Multimedia Acoustic Audio AA2103 Bluetooth 2.1 speaker system, 200 watts system power, frequency response is 50Hz-20 kHz, built in Bluetooth receiver, integrated amplifier, enhanced bass boost design, front panel volume control Rear sub bass control knob, top USB and SD/MMC inputs, plug and play connections, full function remote, computerized enclosure design, magnetically shielded speakers, subwoofer speaker is (H x W x D) 8.5" x 4.75" x 7" Ported for fuller bass, the 2 full range satellite speakers are (H x W x D) 5.125" x 3.625" x 3.125" each, satellite speakers have 6' single RCA cables, 3.5mm to RCA cable and user manual included, 110V required power supply Acoustic Audio AADAC digital to analog converts coaxial or optical digital audio signals to analog L/R RCA audio, 6 foot digital fiber optical cable included Use for home entertainment, laptop or PC, DVD, gaming, any devices with a 3.5mm headphone output or RCA audio output, this listing and price is for 1 complete speaker system and 1 AADAC converter