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Sixteen compact black on-wall speakers with mounting brackets

Acoustic Audio

Acoustic Audio AA321B 16 on-wall speakers 3200 W black

SKU CH-S66E-5GQZB

Sixteen compact on-wall speakers deliver 3200 W total power for whole-house or surround sound systems

  • Product typeOn-Wall Speakers
  • 16 speakers cover every room with full-range sound
  • 3200 W total power handles large home-theater systems
  • 5" polypropylene woofers deliver 150 Hz–20 kHz frequency response
  • 88 dB sensitivity works with 20–200 W per channel amps
  • Omni-directional brackets and spring terminals make installation simple

16-speaker on-wall set for whole-house audio

The Acoustic Audio AA321B pack delivers sixteen passive on-wall speakers designed for multi-room or surround installations. Each unit uses a 2.5" polypropylene woofer in a sealed ABS cabinet and mounts with the included omni-directional brackets. The system is intended for indoor use only and connects to any amplifier or receiver with raw speaker-wire outputs.

Passive design keeps thermals

Because the speakers draw power from an external amplifier, they generate no audible fan noise and add negligible heat to the listening space. The sealed cabinets and spring-loaded wire terminals present an 8-ohm load with 88dB sensitivity, so the connected amp operates within its normal thermal envelope. Power handling per channel is rated between 20 and 200 watts.

Replaces smaller zone kits when coverage must scale

The sixteen-speaker quantity suits whole-house audio or commercial installs where a 6- or 8-speaker pack would leave gaps. The jump is worth it when a single amplifier can drive all zones and the installer needs consistent voicing across every room. Smaller bundles remain the better choice for simple stereo or 5.1 setups.

How it compares

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

Price $247.99
Pricier than about 69% of the 1,147 comparable items (median $133.99).

Specifications

Product
Brand nameAcoustic Audio by Goldwood
Product typeOn-Wall Speakers

Questions about this item

How do I mount the AA321B speakers and which step is often missed?

Use the supplied omni-directional brackets and hardware to fix each 3.5" x 3.5" x 4.5" cabinet to the wall; the step people skip is confirming the amplifier delivers between 20 and 200 watts per channel before connecting the spring-loaded raw-wire terminals.

What maintenance or replacement will the AA321B set need over time?

The passive design has no internal electronics to service; only the speaker wire and connectors may need checking or replacement if they become loose or corroded.

What limit appears first when the AA321B system runs at high volume for long periods?

The 150 Hz low-frequency roll-off means bass output drops off before the 200-watt-per-channel thermal limit of the 2.5" polypropylene woofers is reached.

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