Rockville BluTube WD 2-Tone 70w Tube Bluetooth Amp/Receiver + (8) Rockville HC655-16 6.5" White In-Ceiling Speakers

Package contents: (1) Rockville BluTube WD 70w Bluetooth Tube Amplifier/Home Stereo Receiver 2-Tone, (4) Pair Rockville HC655-16 6.5" 500 Watt In-Ceiling Home Theater Speakers (total 8 speakers). BluTube WD overview: Audiophile-grade tube amplifier with Bluetooth in a 2-Tone silver and wood-accent finish. Output ratings: 25 watts x 2 RMS @ 8 ohm and 35 watts x 2 RMS @ 4 ohm. Connectivity: (1) set of RCA inputs for TV, laptop or MP3 player, Optical input, Coaxial input, Sub output, USB input for music files, and a Headphone output. Built-in features: Bluetooth with approximately 33 foot range, built-in preamplifier, VU meter, and a 2-band adjustable equalizer (bass and treble). Speaker outputs: Rear speaker terminals accept banana plug / binding post connections for 2 speakers. File and format support: USB : Supports WAV/MP3/WMA/APE/FLAC. Performance and specs: Frequency Response (+/-3dB): 22Hz-20kHz, Input Impedance: 47kO, Input Sensitivity: 300mV, Output Impendence: 4-8ohm, Total Harmonic Distortion(THD): =0.02%, Signal-to-Noise Ratio(S/N): =86dB, Bluetooth: 2.1+EDR. Note: tube amplification provides a smooth, musical clipping characteristic that often gives the impression of greater power at high volumes. HC655-16 speaker highlights: Each pair is a Rockville HC655-16 6.5" white 2-way in-ceiling home theater speaker. Power handling: Peak Power Handling: 250 Watts (per speaker) / 500 Watts (per pair); RMS Power Handling: 80 Watts (per speaker) / 160 Watts (per pair). Driver construction: 6.5" polypropylene cone woofer with rubber surround, 1" aluminum voice coil, and 1/2" Mylar dome tweeter. Magnet and hardware: 10 oz. ferrite magnet, high quality spring loaded push terminals, and an aim-able swivel tweeter for precise imaging. Installation and appearance: Paintable flush mount grills, Mounting Depth: 2.91", Cut-out Diameter: 7.6", Color: White (paintable). Acoustic specs: Frequency Response: 60Hz ? 20KHz, Sensitivity: 89dB @ 1w / 1m, Impedance: 16 Ohm.