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A pair of white rectangular on-wall speakers with adjustable mounting brackets

Gemini

Gemini GHSI-W400BT-PR-WHT 4" waterproof on-wall speaker pair, white, 100W, IP44

SKU CH-42PR-B5RYW

White on-wall speaker pair with IP44 waterproof rating, 100 W power, Bluetooth and aux input, plus wireless remote control

  • Rated power100 W
  • Frequency range75 Hz - 20 kHz
  • Audio sensitivity84 dB
  • Size and weight6.61 lb (3 kg)
  • Product typeOn-Wall Speakers
  • Product colorWhite
  • IP44 rated protection withstands outdoor water and dust
  • Active and passive pair needs only one power outlet
  • Bluetooth and 1/8" aux give two ways to connect
  • Wireless remote adjusts volume, EQ and playback from your seat
  • Class D amplifier delivers 100W total power in a compact cabinet

Weather-resistant stereo pair

The Gemini GHSI-W400BT-PR-WHT is a two-piece on-wall speaker system built for outdoor installation. An active master unit houses the amplification and wireless features while a passive slave connects by speaker wire, so only one power outlet is needed. The white cabinets carry an IP44 rating for protection against splashing water and dust ingress.

Bluetooth and wired input limits

Wireless streaming relies on standard Bluetooth connectivity without a stated version number, so codec support and range will vary with the source device. A 1/8" auxiliary input provides a wired alternative for non-Bluetooth players, while the master unit's auxiliary output can feed another amplifier. The included wireless remote handles power, volume, EQ and playback from the listening position.

100W total power rating

The system delivers 100W of Class D amplification through a bi-amp design, with a quoted frequency response of 75Hz to 20kHz and sensitivity figures of 84dB and 89dB in the supplied data. Buyers needing higher SPL for large gardens or lower bass extension for full-range music will find the output ceiling and low-frequency roll-off limiting.

How it compares

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

Price $114.99
Cheaper than about 57% of the 1,147 comparable items (median $133.99).

Specifications

Product
Brand nameGemini
Model nameGHSI-W400BT-PR-WHT
Product typeOn-Wall Speakers
Product colorWhite
Audio & video
Frequency range75 Hz - 20 kHz
Audio sensitivity84 dB
Power
Rated power100 W
Size & build
Size and weight6.61 lb (3 kg)
More details
Remote controllerYes

Questions about this item

Should I choose the active/passive pair or look for two powered speakers?

This pair uses one active master with a Class D amplifier and one passive slave linked by speaker wire; only the master needs mains power, so you run a single power cable and the included 9-foot extension to the outlet.

What does the 100W rating mean for real-world volume on my patio?

The 100W total power drives both speakers, and the 84dB sensitivity (89dB in the highlight sheet) means moderate amplifier output reaches comfortable listening levels across a typical backyard or deck.

How does Bluetooth connect to the auxiliary input in practice?

You can stream wirelessly via Bluetooth or plug a source into the 1/8-inch Aux input on the master; both feed the same amplifier, so you switch between phone streaming and a wired device without re-cabling.

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