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  4. Sonance PS-C43RTLP Professional 4” low profile round in-ceiling speaker (87mm deep), white, pair
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Sonance PS-C43RTLP Professional 4” low profile round in-ceiling speaker (87mm deep), white, pair

Code: SON-40181
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  • Most shallow low profile models in class
  • 70V/100V/8 Ohm Selectable
  • Best-In-Class Sonic Performance
  • Consistent Voicing Across Categories
  • Full Fidelity Transformer
  • Engineered for Reliability

For more information and live pricing, please login to your account or call us on 01256 638500.

  • Overview
  • Features
  • Technical Specification
  • Downloads

4" Low Profile In-Ceiling

Sonance Professional Series PS-C43RTLP is a 70V/100V/8 Ohm selectable In-Ceiling Speaker that features a shallow 3.43” (87mm) construction for installations in restricted spaces such as beneath HVAC ducting or in 2’x4’ stud bays. It also features a one-piece bezel-less grille that is magnetically secured and allows for a one step painting process to simplify installation and minimize visual distraction.

The optional Square Grille Adapter allows speakers to match the aesthetic of square downlights and HVAC grilles to achieve continual sight lines, as well providing an excellent solution for in-wall installations.

A high-excursion 4” polypropylene woofer delivers effortless low bass extension, even at high volumes, while the pivoting chambered 1” soft dome tweeter can be directed to ensure accurate coverage, when speaker positioning is compromised.

The PS-C43RTLP features a sealed metal enclosure, with back and side knock-outs removable Euroblock connector with loop-through, and seismic attachment. Additionally, the Sonance PS-C43RTLP is certified for UL 1480 and UL 2043.


  • Class-leading sensitivity & sonic performance
  • Exceptional off-axis response
  • Heavy duty voice coil for longevity and reliability
  • Full-fidelity transformer for uncompromised tonality
  • Consistent voicing across product range


  • Bezel-less design for clean and minimalistic aesthetic
  • Optional Square Adapters to match light fixtures
  • Optional black grilles in round or square


  • Magnetic grille retention for fast installation and removal
  • Finger-adjustable selector tap
  • One-step simplified painting process
  • Shallow design for limited depth installations


  • Boardrooms & Corporate Offices
  • Shopping Malls, Retail Spaces & Showrooms
  • Restaurants, Bars & Lounges
  • Galleries & Museums
  • Casinos, Convention Centers & Hotels
  • Houses of Worship
  • Educational Facilities
Frequency Range (-10dB): 57Hz - 25kHz
Frequency Range (-3dB): 75Hz - 20kHz
Power Capacity: 60 Watts Continuous Program Power | 30 Watts
Continuous Pink Noise
Nominal Sensitivity: 87dB
Nominal Coverage Angle: 120 degrees conical coverage
Directivity Factor (Q): 7.6
Directivity (DI): 8.1dB
Rated Maximum SPL: 105dB @ 1 meter (3.3 feet) average,
110dB peak
Rated Impedance: 8 Ohms nominal, 6 Ohms minimum
Transformer Taps: 30W, 15W, 7.5W (3.8W 70V)
Crossover Point: 3000Hz
Overall Dimension: 9.13” Diameter x 3.43” Depth (232mm x 87mm)
Cut Out Dimension: 8.25” Diameter (210mm)
Net Weight: 6.00lbs (2.72kg) each
Shipping Weight: 25.60lbs (11.62kg) pair
Unit of Measure: Pair (Single units upon request)
Grille: Supplied with bezel-less white grille. Optional black grille,
or square adapter with black or white grille
LF Driver: 4" (100mm) Polypropylene Cone, Butyl Rubber Surround
HF Driver: 1" (25mm) Cloth Dome, Pivoting, Ferrofluid cooled
Input Connector: Four pin, Euroblock with loop output connections
Knockout: One back-mounted, one side-mounted .75" (19mm)
Safety Agency: UL 2043, UL 1480, NFPA 90A and NFPA 70, S7232
Ceiling Thickness Range: -
Suspension Points: One, on top surface



To download please use the links below or right click link and select “Save target as”

Data Sheet (PDF)

EASE Software for Professional Series (ZIP)

Professional Series Data Sheet (PDF)

In-Ceiling Installation Manual (PDF)