Wholesale M-221 4" fidelity speaker with iron bracket hifi conference speaker

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M-221 4

01

Product category

M-221 4" fidelity speaker with iron bracket hifi conference speaker

Features:

  • 4 inch 8ohm hifi conference wall speaker 100V
  • With bracket
  • With transformer 20W
  • Materal is ABS
  • Full black or full white
  • Hot selling 8Ohm HIFI conference wall speaker

03

DATA INFORMATION

ITEM

M-221

RMS POWER

20W

MAX POWER

40W

IMPEDANCE INPUT

100V

IMPEDANCE INPUT

SENSITIVTY

91dB

FQ RESPONSE

100hz-18Khz

LOUDSPEAKER

4“(Φ103mm)20/13mm cone

OUTSIDE SIZE

152×141×205mm

INNER BOX SIZE

160×130×245mm

MATERIAL

ABS

COLOR

BLACK/WHITE

N.W.

1.13kg

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-221

41.5*34*26

6

0.037

6.78

10.28

4218

10704

Accessories:

Required

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Matching

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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-221 4" fidelity speaker with iron bracket hifi conference speaker Suppliers and M-221 4" fidelity speaker with iron bracket hifi conference 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.

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