CS650 – 6″ In-Ceiling Speaker

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An elevated ceiling speaker with unrivaled bass

At the peak of the CS600 series, the CS650 reigns as the premium powerhouse, delivering thunderous bass in large spaces. With cutting-edge technology from PSB's Imagine T3 speaker, it boasts higher sensitivity, lower distortion, and an upgraded 1" titanium tweeter with Wave Guide for precise acoustic adjustments.

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Price $649.00
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Frequency Response

On Axis @ 0° ±3dB 48-20,000Hz


Anechoic Chamber 86dB
Listening Room



Nominal 6 Ohms
Minimum 4 Ohms

Input Power

Recommended 10 - 100 Watts

Acoustic Design

Tweeter (Nominal)

1” (25mm) Titanium Dome with Ferrofluid

Woofer (Nominal)

6 1/2” (165mm) Fiber filled Injection Moulded Polypropylene Cone

Rubber Surround


1800Hz, LR4

Design Type

Open Back

Dimensions / Weights / Finish

Size (W x H x D)

Cutout Diameter - 8 3/8” * (212mm)

Mounting Depth - 4 1/2" * (114mm)

Round Grille Diameter - 9 7/16" * (240mm)

Square Grille Size - 9 1/2" * (241mm)

Weight 4.6lb (2.1kg)/each
Finish White

* Non-metric measurements are approximate.

All specifications are subject to change without notice.


Data Sheet
Setup Guide
Owner's Manual