CS-6521 Product Photo

Speaker and Volume Controller

CS-6521 Frameless Coaxial Ceiling Speaker

CS-6521 is a frameless coaxial ceiling speaker, suitable for office spaces, department stores, public areas, or small conference rooms.

・Features a coaxial design with a 6.5-inch woofer and a 1-inch tweeter, delivering clear and full sound.

・Features an 85Hz-20kHz bandwidth and a maximum SPL of 110dB, delivering clear sound even in open spaces.

・Supports 8Ω low impedance and 100V/70V constant voltage multi-tap power, flexibly matching various PA systems.

・Adopts a reinforced iron back dome and high-density metal grille to effectively reduce resonance and distortion.

・316mm slim-bezel frameless flush-mount design, perfectly blending into the ceiling.

・Supports 10-50mm installation thickness and various cutout sizes, offering high installation flexibility.

Introduction to Speakers & Volume Controllers

This model belongs to the speakers and volume controllers category. To see how the system works, where it is used, and how to operate it, please refer to the series introduction.

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Power Handling (8Ω)60W
Rated Impedance (100V)40W(250Ω)、20W(500Ω)、10W(1KΩ)、5W(2KΩ)
Sensitivity90 db/1m
Maximum SPL110 db/1m
Frequency Response85 Hz - 20K Hz
Speaker Driver6.5"x1 + 1"x1
Housing MaterialIron
DimensionsSpeaker outer diameter 316mm, total height 197mm
Cutout SizeDiameter 270-280mm, Depth 176mm
Weight3.9KG

Updated Date 2026-11-10

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Last Updated: 2026-11-10