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White round in-ceiling speakers with removable grilles, ten units in a pack

Acoustic Audio

Acoustic Audio R191 In-Ceiling Speakers 5 Pair Pack

SKU CH-M9AJ-MXB95

Ten flush-mount speakers deliver 45 Hz–22 kHz coverage through 5.25″ woofers and 12 mm tweeters, clamping into 6.61″ cut-outs without extra hardware

  • Product typeIn-Ceiling Speakers
  • Wide sound dispersion integrates with new or existing audio systems
  • Passive design driven by any home receiver or amplifier 10–200 W per channel
  • 2-way 5.25" woofer and 12 mm tweeter cover 45 Hz–22 kHz at 95 dB 8 Ω
  • Pressure Lock mounting clamps to drywall with no hardware needed
  • Paintable ABS housings and removable grilles match your décor

Five-Pair In-Ceiling Set

The Acoustic Audio R191 pack supplies ten passive speakers for whole-house audio or home-theatre surround installations. Each unit uses a two-way design with a 5.25-inch polypropylene woofer and a 12mm soft-dome tweeter. The Pressure Lock mounting system clamps to drywall without separate hardware. Grilles can be painted to match the ceiling.

Sustained Output Behaviour

Rated at 95dB sensitivity and 8-ohm impedance, the speakers maintain consistent output during extended listening sessions when driven within the 10-to-200-watt-per-channel window. The butyl rubber surrounds resist fatigue, and the ABS housings dissipate heat without colouration. Frequency response spans 45Hz to 22kHz across the operating range.

Pre-Installation Checks

Verify that your receiver or amplifier provides raw speaker-wire outputs and can deliver between 10 and 200 watts per channel into 8 ohms. Confirm the ceiling cavity allows a 2.8-inch mounting depth and a 6.61-inch cut-out diameter. Use CL3-rated in-wall speaker wire for the runs from the amplifier to each location.

How it compares

Measured against everything we stock in Home Speakers & Subwoofers, at today’s prices. Recalculated every night.

Price $167.99
Pricier than about 57% of the 1,147 comparable items (median $133.99).

Specifications

Product
Brand nameAcoustic Audio by Goldwood
Product typeIn-Ceiling Speakers

Questions about this item

Do the R191 speakers produce noticeable heat or fan noise during all-day use?

The passive R191 design has no amplifier or fan inside, so it generates no heat and makes no noise of its own; only the connected receiver or amplifier will warm up.

What must I already own to power these five speaker pairs?

You need a home audio receiver or amplifier with raw speaker-wire outputs that delivers between 10 and 200 watts per channel into 8 ohms, plus CL3-rated in-wall speaker wire for the runs.

Will the R191s blend with my older 8-ohm bookshelf speakers in the same system?

Yes, the R191s are rated at 8 ohms and 95 dB sensitivity, matching typical legacy bookshelf models so they can share the same receiver channels without level mismatch.

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