Description
Package Includes: (1) Rockville RPA40BT 1000w 4 Zone/Channel Home Stereo Bluetooth Amplifier Receiver; (4) Pair Rockville HC55 Black 5.25″ 300 Watt In-Ceiling Home Theater Speakers (8 Ω) [8 speakers total]; (4) Rockville VOL850 8 Ω 50 W x2 Wall Stereo Volume Controller 12 Step Rotary Knob.
Amplifier Performance: RPA40BT delivers 62.5 W RMS x4 @ 4 Ω (250 W peak x4) with independent zone volume controls for 4 mono or 2 stereo zones. Features Bluetooth (35 ft), optical/RCA inputs, USB/SD, FM tuner, dual 1/4″ mic inputs with echo/mic EQ, euro-block speaker terminals, cooling fan, built-in preamp. AC Power: US 110V. Dimensions: 11.97″ x 11.4″ x 3.86″, Weight: 13.23 lbs.
Speaker Design & Specs: Power output: 300W peak / 120W RMS per pair (60W RMS per speaker). 5.25″ polypropylene woofer, 1/2″ mylar dome tweeter, 88 dB sensitivity, Impedance 8 Ω, Frequency Response 80 Hz-20 kHz. Installation-critical dimensions: Mounting Depth 2.6″, Cut-out Diameter 6.5″. Spring-loaded push terminals, aim-able swivel tweeter, paintable flush grilles.
Volume Controller Specs: Each VOL850 is a 1-gang wall stereo volume controller rated 50 W x2 @ 8 Ω with 12-step rotary attenuation and absolute off. Euro-block detachable connectors, Installation Depth 2.44″ (recommend backless box or 3.5″ deep box if enclosed), Dimensions: 2.75″ x 4.4″ x 3.26″, Item Weight: 0.77 lbs. Dust-protected circuit board and ABS frame.
System Use & Reliability: Complete multi-room kit engineered for background music, paging, and home entertainment. RPA40BT provides stable zone power, HC55 speakers supply balanced music and voice clarity, and VOL850 controllers allow room-level adjustment. Includes detachable euro-blocks, spring terminals, swivel tweeters, and robust steel/chassis construction for long-term reliability.

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