Wholesale M-254 4” water proof wall speaker 100V hifi conference speaker

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M-254 4” water proof wall speaker 100V hifi conference speaker

01

Product category

M-254 4” water proof wall speaker 100V hifi conference speaker

Features:

  • 4 inch 100V hifi conference wall speaker
  • With transformer 10W
  • Full range speaker,20mm cone
  • Materal is ABS
  • Full white or full black

03

DATA INFORMATION

ITEM M-254 M-255 M-256
RMS POWER 10W 15W 30W
MAX POWER 20W 30W 50W
VOLTAGE INPUT 100V 100V 100V
SENSITIVITY 91dB 91dB 91dB
FQ RESPONSE 90hz-18Khz 90hz-18Khz 90hz-18Khz
LOUDSPEAKER 4“full range 20mm cone 5“full range 20mm cone 6.5“full range 25mm cone
OUTSIDE SIZE 180×130×100mm 230×160×135mm 280×200×180mm
INNER BOX SIZE 142×123×233mm 170×155×275mm 315×200×210mm
TRANSFORMER SIZE 13×16 13×20 16×24
MATERIAL ABS ABS ABS
COLOR BLACK/WHITE BLACK/WHITE BLACK/WHITE
N.W. 1.22kg 1.86kg 2.72kg

 

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-254 63.5*30.5*26.5 0.051  10 12.20  16.21  5200 12940
M-255 48.5*36*31 0.054  6 11.16  14.12  2886 7332
M-256 62*44*35 0.095  6 16.32  18.35  1644 4170

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-254 4” water proof wall speaker 100V hifi conference speaker Suppliers and M-254 4” water proof wall speaker 100V 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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