Professional Audio Passive 21 Inch Big Bass Subwoofer Speaker

• Customization: Available
• Noise: <102dB
• Hi-Fi: Hi-Fi
• Model NO.: KA21
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Optional Combination
• Speaker Material: Wood
• Application: Commercial, Home, Stage, KTV, Professional Performance
• Certification: CE, RoHS
• THD: 0.005%-0.01%
• Type: 2 Way Full Range Line Array Speaker
• Driver Lf: 18"×1(Neodymium Φ75mm)
• Frequency Response: 60Hz-18kHz
• Rated Power: 800W
• Peak Power: 1800W
• System Sensitivity: 100dB
• Impedance: 8Ω
• Net Weight: 49kg
• Wood Case: High Quality Brich Plywood, Surface Coating
• Special Service: OEM Service Offered
• Transport Package: Strong Wooden Frame and Carton
• Specification: 343× 379× 595
• Trademark: Sinbosen
• Origin: Guangdong Province, China
• HS Code: 85182200
• Production Capacity: 1000 Units/ Month
• Package Size: 76.00cm * 78.00cm * 62.00cm
• Package Gross Weight: 49.000kg

Product Description

Neodymium Subwoofer 21 inch professional speaker

 

Product Parameters

Type	High power subwoofer, 21"
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	8Ω
Connectors	2 × 4-point terminal block with push-in connection
Rigging and handling	External rigging kits
	Inserts for rigging plates etc.
	Threaded insert
Cabinet	FIrst grade Russian birch plywood
Front	Coated steel grill
	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
Weight (net)	49 kg / 108 lb

The KA21 subwoofer focuses on delivering deep, powerful bass effects. Provide users with a superior audio experience. Whether it's a concert, show, DJ show or other event, this set of speakers can meet every need.

Feature:
1x21" neodymium speaker woofer, 1800W
First grade Russian birch plywood with waterproofing Polyurea paint
Lightweight and compact
Simple, fast, integral rigging.
Directivity can be adjusted to cover specific geometric audience areas and ensure excellent frequency response stability.
Provides large concert-level low frequency response.