80 Watts Mini Stereo Amplifier with Optical SPDIF Coaxial Input Stereo amplifier accepts digital coaxial/optical S/PDIF signal (left/right) Easily connect speakers to plasma/LED TVs that don't have analog audio outputs 2 x 40 Watts RMS power with only 0.04% typical audio distortion Supports up to 24-bit/192 kHz input (PCM only, no support for Dolby Digital or DTS formats) Includes high-quality digital-to-analog converter with 112 dBA signal-to-noise ratio