Single 21 inch bass subwoofer high end speaker

Categories	SUBWOOFER SPEAKER
Brand	Sinbosen\| Audio sound system manufacturer
Model	KA21
Max SPL	138 dB
Low frequency limit	29 Hz
Transducers	LF: 1 x 21"
Weight	49 kg / 108 lb
Directivity	standard or cardioid configurations
Update Time	Apr 18,2024

Contact Now

Favorites

Detail Information

KA21 Specification
Low frequency limit (-10 dB)	29 Hz
Maximum SPL	138 dB
Nominal directivity (-6 dB)	Standard or cardioid configuration
Transducers	1 × 21″ neodymium cone driver
Acoustical load	Bass-reflex, progressive vent design
Nominal impedance	8 Ω
Connectors	2 × 4-point terminal block with push-in connection
Rigging and handling	External rigging kits
	Inserts for rigging plates etc.
	Threaded insert
Weight (net)	49 kg / 108 lb
Cabinet	FIrst grade Russian birch plywood
Front	Coated steel grill
Front	Acoustically neutral 3D fabric
Rigging components	High grade steel with anti-corrosion coating
Finish	Dark grey brown
Feature	Powerful
	Clear low-frequency
	Stringent rigging conditions

The KA21 is a compact subwoofer that can expand the frequency response bandwidth such as the A15.The KA21's progressive vent design, which greatly reduces turbulence and outlet noise when used at high output, also improves low frequency efficiency.

Review

Loading...