Martin Audio ACS-55TS





Premium sound,
low profile.

The ACS-55TS is a compact, two-way ceiling speaker with a shallow backcan, designed for environments requiring premium performance in restricted ceiling cavities.
It delivers full-frequency response and consistent coverage for retail outlets, bars, and restaurants.

Bezel-less Design

Engineered for Excellence.

150° Conical Coverage

Wide dispersion pattern reduces the number of speakers required for even coverage in low ceilings.

70V/100V & 16Ω

Multitap line transformer or 16-ohm low-impedance operation selectable via rotary switch.

High Fidelity

Produces 113dB peak output with a 5.25″ LF driver and 0.75″ silk-dome tweeter.

Shallow Backcan

Designed for minimum cavity depth (100mm). Includes tile rails and C-ring. Bezel-less grille.

Technical Specifications

Acoustics & Drivers

Type

Compact, passive two-way ceiling speaker (Shallow)

Frequency Response

117Hz-20kHz ±3dB (-10dB @ 79Hz)

Drivers

LF: 5.25″ (135mm) coated paper cone

HF: 0.75″ (19mm) silk dome

Power & Performance

Rated Power

50W AES, 200W Peak

Sensitivity

90dB 1W/1m

Max SPL

113dB Peak

Nominal Impedance

16 Ohms

Transformer Taps

70V: 30w/15w/7.5w/3.75w | 100V: 30w/15w/7.5w

Physical & Dimensions

Enclosure

UL 94V-0 rated ABS baffle, steel backcan

Finish

White (RAL9016), paintable

Dimensions

OD: 245mm (9.64″) x Depth: 100mm (3.95″)

Weight

2.8kg (6.2lbs)

Cut-out

222mm (8.74″) diameter

Ideal For

Retail Outlets
Cafes & Bars
Restaurant Chains
Hotels
Convention Centres
Corporate Offices