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Two white round in-ceiling speakers with low-profile grilles

Atlas Sound

Atlas Sound FAP40T 4" In-Ceiling Speaker 16W 70V 100V Ported Set of 2

SKU CH-7KTY-J35QE

A set of two 4-inch in-ceiling speakers with 16 W transformers for 70 V and 100 V lines, ported enclosures for extended bass, and a press-fit grille

  • ColorWhite
  • 16W transformer with 70V/100V taps for flexible system design
  • 8 ohm bypass setting enables direct low-impedance connection
  • Tuned ported enclosure extends low-frequency response from 4" driver
  • Press-fit grille integrates cleanly into ceiling architecture
  • Lightweight build with tile bridge simplifies overhead installation

Compact In-Ceiling Speaker Pair

The Atlas Sound FAP40T is a 4-inch in-ceiling speaker sold as a set of two. Each unit includes a 16-watt internal transformer with 70-volt and 100-volt taps plus an 8-ohm bypass setting. The low-profile white plastic enclosure and press-fit grille suit commercial, industrial and institutional ceilings. A tile bridge is included for drop-ceiling mounting.

Tuned Ported Enclosure for Extended Bass

The tuned and ported enclosure design enhances low-frequency response for music and signal reproduction. A patent-pending tap selector switch doubles as a diffuser cone, smoothing high-frequency dispersion from the single polypropylene driver. The transformer taps allow system tuning without opening the enclosure, supporting consistent performance across distributed audio lines.

Check Ceiling Depth and Wiring Method

Verify that the ceiling cavity accommodates the enclosure depth and that local codes permit the wiring method used. The speaker connects via a two-pole terminal strip, so confirm your cable type and connector strategy. Ensure the amplifier provides 70-volt or 100-volt output matching the selected tap, or use the 8-ohm bypass for low-impedance systems.

Highlights

  • 16W transformer with 70V/100V taps for flexible system design
  • 8 ohm bypass setting enables direct low-impedance connection
  • Tuned ported enclosure extends low-frequency response from 4" driver
  • Press-fit grille integrates cleanly into ceiling architecture
  • Lightweight build with tile bridge simplifies overhead installation

Specifications

ColorWhite

Questions about this item

How much heat or fan noise does the FAP40T produce when running continuously in a ceiling all day?

The FAP40T has no fan or active cooling, so it generates no fan noise and negligible heat during continuous operation.

What wiring or amplifier must I already have to connect the FAP40T set of 2?

You need an amplifier with 70 V or 100 V constant-voltage output, or an 8 Ω output for bypass mode, plus two-conductor speaker cable for the terminal strip.

Will the FAP40T work alongside my existing 8 Ω ceiling speakers on the same amplifier channel?

Only if the amplifier channel is set to 8 Ω bypass; the FAP40T cannot share a 70 V or 100 V line with 8 Ω speakers.

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