OWI Audio 2X2VG-HDTR64 Drop Ceiling Speakers on a 2X2 Tile and Backcan Assembly, 4 Speaker Package, Includes (4) 2x2 Vinyl Grill Ceiling Speaker with HD Amp and (1) 25/70/100V Transformer Two Source, 6.5", Amplified Drop Ceiling Speaker on a 2X2 tile and backcan assembly delivers up to 40 watts power directly to the speaker. Each powered speaker (2X2VG-HDTR61) can drive three additional speakers (2X2VG-IC6NA). Lower noise feature and protection from shorts and overheating. 15 Volt DC Level 5 power supply included Key Features - Built onto the owi ic6 in-ceiling speakers on a 2x2 tile and backcan assembly - 2 line level input/sources - up to 40 watts of power - right at the speaker - With priority override feature - With built-in stereo combiner - Balanced line level output - With a 3.5 mm stereo jack line input - 15 Volt DC power supply (UL Listed-Level 5) included - Protected from shorts and overheating - Lower noise feature Specifications: - Woofer Size: 6.5 Inches - Weight of Amplifier/Speaker: 3.15 lb - Height of Amplifier/Speaker: 4.5 Inches - Backcan: UL Listed Enclosure - Tile Bridge: UL Listed Support Truss - Input Voltage, Nominal: (25 Watts) 15 V DC - Input Current, Operating (15 VDC): 1.667 Amps. Peak - Input Volt-Amperes, Peak (15 VDC): 25 V Amps - EQ Set to Flat: 50 Hz to 15 kHz - Bass: 10 dB @ 50 Hz - Max. Power Output (20V in): 2 x 20 W or 40 W Total - DC Power (Standby): 1.5 W - AC Power, Sleep Mode: >1 W (Energy Star) - Short Circuit Protected: Yes - Over Current Protected: Yes - Over Voltage Protected: Yes - Over Temperature Protected: Yes