All About The BluTube Series: How To Set Up Your BluTubes: How To Set Up Your BLUTUBE to a Smart TV: How To Set Up a Subwoofer to Your BluTube: How To Set Up a Gaming Console to Your Blutube: How To Set Up Speakers to Your BluTube: Includes: Tube Amplifier / Receiver 5 Foot Tiffany RCA to 3.5MM cable 5.5 Foot Power cable Owners manual / Warranty card Features: Rockville Blutube WD Audiophile grade tube amplifier with Bluetooth Color: 2-Tone silver with wood accent 25 watts x 2 RMS @ 8 ohm 35 watts x 2 RMS @ 4 ohm (1) set of Tiffany RCA inputs to connect to any audio device like a TV, Laptop, or MP3 player, etc Optical input HDMI input Coaxial input Sub output Tube amps do not hard-clip even at high volumes and are extremely efficient. Due to this the amp sounds more like double the rated power! Built in Bluetooth with 33 foot range Built-in Preamplifier Headphone output VU meter Adjustable bass and treble (2 band equalizer) USB input for music files from USB thumb drive Rear Speaker Terminals: Banana plug / binding post outputs for 2 speakers Frequency Response (±3dB): 22Hz-20kHz Input Impedance: 47kO Input Sensitivity: 300mV Output Impendence: 4-8 ohm Total Harmonic Distortion (THD): =0.02% Signal-to-Noise Ratio (S/N): =86dB Bluetooth: 2.1+EDR USB: Supports WAV/MP3/WMA/APE/FLAC Dimension: 10.43" x 11.81" x 5.51" Weight: 7.82 lbs