Wholesale M-20F 30W 4-inch full frequency column speaker

Home / Products / Column Speaker / M-20F 30W 4-inch full frequency column speaker
M-20F 30W 4-inch full frequency column speaker

01

Product category

M-20F 30W 4-inch full frequency column speaker

Features:

  • 4-inch indoor column
  • RMS power 30W
  • With 2 pieces full frequency loudspeaker

03

DATA INFORMATION

ITEM M-20F M-30F M-40F M-60F
RMS POWER 30W 40W 60W 90W
VOLTAGE INPUT 100V
SENSITIVITY 91dB±3dB
FQ RESPONSE 85hz-18Khz
LOUDSPEAKER 4“(Φ103mm×2)20mm cone 4“(Φ103mm×3)20mm cone 4“(Φ103mm×4)20mm cone 4“(Φ103mm×6)20mm cone
OUTSIDE SIZE 150×100×335mm 150×100×460mm 120×158×585mm 120×158×830mm
INNER BOX SIZE 168×118×380mm 168×118×500mm 168×118×630mm  
MATERIAL Aluminum Alloy
COLOR WHITE
N.W. 1.5kg 2.5kg 3.5kg 4.5kg

 

04

PRODUCT DETAILS

05

installation drawings

How to install

  • Installation schematic:

  • Dimensions

  • Circuit schematic:

  • Wiring instructions:

    The amplifier output COM needs to be connected to the black wire when wiring, and the amplifier 100V output is connected to the required corresponding wire.

06

Packing


inner box


carton

Packing list

ITEM SIZE(cm) PCS/CTN CBM (m3) N.W. (kg) G.W. (kg) 20GP(pcs) 40HQ(pcs)
M-20F 37.5*35.5*40.5 6 0.054 9.00 12.00 2886 7332
M-30F 37.5*35.5*52.5 6 0.07 15.00 18.00 2226 5052
M-40F 35.5*25.5*65.5 4 0.059 14.00 16.00 1760 4472
M-60F              

Accessories:

Required

——Mounting bracket + matching screws

Matching

——

07

THE SCENARIO


SCHOOL


MEETING ROOM


BUSINESS-CLUB


SHOPPING MALL


AIRPORT/METRO


LIVING ROOM

08

COMPANY INFORMATION

PANORAMA

PANORAMA

Injection

Injection

TRANSFORMER

TRANSFORMER

LOUDSPEAKER

LOUDSPEAKER

Electronic PCB

Electronic PCB

Assembly

Assembly

inspection room

inspection room

Silence room

Silence room

sample room

sample room

09

Certificate

  • Certificate
  • Certificate
  • Certificate
  • Certificate
  • Certificate
  • Certificate
  • Certificate
  • Certificate
  • Certificate
  • Certificate

Ningbo Cooma Acoustics Co., Ltd.

Ningbo Cooma Acoustics Co., Ltd. is a M-20F 30W 4-inch full frequency column speaker Suppliers and M-20F 30W 4-inch full frequency column speaker Company, mainly producing ceiling speakers, wall speakers, column speakers, Bluetooth speakers, power amplifiers, mixer amplifiers and other public broadcast peripherals and intelligent speakers.

The company was founded in 2009, plant area of 15,000 square meters, the existing more than 200 employees, the company in the entire daily operation process to fully implement the ISO9001 quality management system, to systematize, standardize, standardized operation, to ensure long-term stability to provide high-quality products. Our products have CE, ROHS2.0, IP65 and other international safety certifications, which can meet the mandatory requirements of customers around the world for various safety certifications.

The company gives priority to the introduction of fully automated speaker unit production lines, reducing the accumulation of products in progress, streamlined production to ensure that each unit has a high yield and consistency, which is not only a strong guarantee for product production delivery, but also a strong guarantee for product quality.

Today's Cooma has become a professional audio production enterprise integrating R&D, production, sales and service, always taking high-quality guarantee and professional service as the brand commitment, taking the long-term value of customers as the brand core, adhering to the development concept of product quality, production scale, operation specialization, business regionalization, and management differentiation, tree quality banner, and do high-quality enterprises.

News

Latest Updates
Provide you with the latest enterprise and industry news

Explore
Contact Us