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Pair of black ABS bookshelf speakers with swivel wall mounts

Gemini AA321B 400 W Black Bookshelf Speaker Pair

SKU CH-27ZQ-WT4Z9

Compact bookshelf pair delivers 400 W peak power with 6.5" drivers and 27 Hz–120 kHz response

  • Audio channelsSubwoofer Only
  • Sales unitSystem
  • Speaker setupBookshelf, Center Channel
  • Driver size6.5 in (16.5 cm)
  • Rated power400 W
  • Frequency range27 Hz - 120 kHz
  • Passive design connects directly to any amplifier or receiver
  • 5" polypropylene woofers deliver 150 Hz – 20 kHz frequency response at 88 dB
  • Swivel wall brackets let you aim sound precisely from a 3.5" × 3.5" × 4.5" cabinet
  • Spring-loaded terminals make wiring quick and secure for surround setups
  • 400 W peak power from compact ABS enclosures built for indoor durability

Compact Bookshelf Pair for Home Audio

The Gemini AA321B is a passive bookshelf speaker pair finished in black ABS cabinets. Each unit uses a 2.5 polypropylene full-range woofer with butyl rubber surrounds. The system handles 400 watts peak power and presents a 4 ohm nominal impedance for amplifier matching.

Upgrade from Basic TV or Desktop Speakers

The jump is worth it when a listener wants wider frequency coverage from 27 Hz to 120 kHz and higher 88 dB sensitivity at 8 ohms. It replaces integrated audio that lacks dynamic range or mounting flexibility. Buyers who need a powered subwoofer channel or wireless streaming should look elsewhere.

Simple Wired Installation with Swivel Brackets

Spring-loaded terminals accept raw speaker wire for quick connection to any amplifier delivering 20 to 200 watts per channel. Each speaker includes a fully directional swivel wall mount with four screws for precise aiming. The compact 3.5 by 3.5 by 4.5 inch cabinets fit tight corners, but installers must verify wire polarity to avoid phase issues.

How it compares

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

Price $50.99
Cheaper than about 86% of the 1,147 comparable items (median $133.99).

Specifications

Product
Brand nameGemini
Product lineAA321B, Mountable Indoor Speakers 400 W Black Bookshelf Pair
Model nameARIA926DW
Part numberAA321B
Product typeSubwoofer
Product colorBlack
Audio & video
Audio channelsSubwoofer Only
Speaker setupBookshelf, Center Channel
Driver size6.5 in (16.5 cm)
Frequency range27 Hz - 120 kHz
Rated impedance4 Ohms
Ports & slots
Connection typesWired
Power
Rated power400 W
Power supplyCorded Electric
Size & build
Cabinet materialAcrylonitrile Butadiene Styrene (ABS)
Size and weight120 × 120 × 25 mm 4.72 × 4.72 × 0.98 in
In the box
Sales unitSystem
More details
Remote controllerNo

Questions about this item

What are the exact dimensions of each speaker cabinet in inches?

Each cabinet measures 3.5 inches high, 3.5 inches wide and 4.5 inches deep.

How do the spring-loaded wire terminals connect to an amplifier?

Strip the speaker wire, press down each terminal tab, insert the bare wire and release; ensure the amplifier is powered off before wiring.

What is the recommended amplifier power range per channel for these speakers?

Use an amplifier or receiver delivering between 20 and 200 watts per channel into the 4-ohm load.

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