ROCK MATRIX 4 + HC85 White Bundle
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ROCK MATRIX 4 + HC85 White Bundle
ROCK MATRIX 4 + HC85 White Bundle
4-Zone 70V Matrix Amp, 8 In‑Ceiling 8", Bluetooth, USB/SD, Paging Priority
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Regular price
$554.75
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$554.75
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Features
- Eight 8" in‑ceiling speakers included
- 110W RMS per zone for strong output
- Bluetooth 5.0 streaming built in
- Paintable grilles for a clean look
- Limiter and fan cooling onboard
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What's Included in the box
- ROCK MATRIX 4 Zone 70V Matrix Amplifier
- (8) HC85 8" In‑Ceiling Speakers (4 Pairs)
- Remote Control
- Rack Mount Ears
- Power Cable
SKU: SKU: ROCK MATRIX 4+(4) HC85 HOME
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Product Description
Upgrade large rooms and multi‑area venues with confident, full‑range ceiling sound. The 8" in‑ceiling speakers deliver rich mids and defined highs, while the 4‑zone amplifier routes Bluetooth, USB/SD, or line sources precisely where needed. With zone volume, EQ, and paging priority, the system fits hospitality, retail, education, and modern homes, providing immersive background music and clear announcements with refined aesthetics.
This Bundle Includes

ROCK MATRIX 4
The ROCK MATRIX 4 delivers 440W RMS across four zones, offering flexible source routing and intuitive controls for any environment. With Bluetooth, USB, SD, and multiple input options, it adapts to diverse setups. Safety features and premium design make it ideal for those demanding powerful, reliable audio distribution.
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HC85
The HC85 8" in-ceiling speakers deliver exceptional audio performance with complete invisibility. Precision-tuned drivers produce rich, clear sound at any volume level. Perfect for home theaters, multi-room systems, and ambient music, these speakers adapt to any space size with flexible installation configurations.
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Features
Precision Zone Management
Matrix routes any input to any zone, letting you tailor music and messages independently across four areas.
Rich, Room‑Filling Audio
8" polypropylene woofers and mylar tweeters provide deeper low‑mid presence and articulate treble for inviting ambience.
Ample Clean Power
110W RMS per zone maintains headroom on 70V or low‑impedance runs for distortion‑free playback.
Discreet Architectural Finish
Low‑profile, paintable grilles blend into ceilings, keeping your design minimal and sophisticated.
Operational Reliability
Built‑in limiter, active cooling, and mic ducking keep sound consistent during busy hours and announcements.

Technical Specifications
- Type 4‑Zone 70V Matrix Amplifier + In‑Ceiling Speakers
- Amplifier Power (RMS) 110 W x 4 zones (440 W total)
- Speaker Size 8" in‑ceiling polypropylene woofer, mylar tweeter
- Frequency Response 40 Hz – 20 kHz (HC85)
- Impedance/70V Supports 70V/100V and 4/8/16Ω outputs
- Weight Amplifier 25.1 lb (approx.)
- Dimensions Amplifier 19 x 14.2 x 3.54"; Speaker Cutout 9.3" OD