Wholesale K-138 5“ 8Ohm Square ceiling stereo speaker hifi ceiling speaker

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K-138 5“ 8Ohm Square ceiling stereo speaker hifi ceiling speaker

01

Product category

K-138 5“ 8Ohm Square ceiling stereo speaker hifi ceiling speaker

Features:

  • 5inch woofer, 13mm tweeter
  • With cross over best sound in one speaker for the back ground music
  • Max power 50W,power 25W
  • 8ohm impedance input(passive speaker for K-938)

03

DATA INFORMATION

ITEM

K-138

POWER

25W

MAX POWER

50W

IMPEDANCE INPUT

SENSITIVTY

92dB±3dB

FQ RESPONSE

70hz-20Khz

LOUDSPEAKER

5“(Φ127mm)  /13mm cone

OUTSIDE SIZE

190×190mm

HOLE SIZE

Φ165×165mm

INNER BOX SIZE

325×235×150mm

MATERIAL

ABS

COLOR

WHITE/BLACK

N.W.

2kg

 

04

PRODUCT DETAILS

05

installation drawings

How to install

  • Installation schematic:


    1. On the ceiling,holes are opened according to the mounting size.


    2. Aim the horn at the opening hole, and open the spring clip.


    3. Push up hard to make the little flower horn Flatten close to the ceiling surface.

  • Dimensions

  • Circuit schematic:

  • Wiring instructions:

    The amplifier output COM needs to be connected to the black wire when wiring, and the amplifier 8Ω 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)

K-138

49.5*35*32.5

4

0.056

8

10.5

1844

4688

Accessories:

Required

——

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 K-138 5“ 8Ohm Square ceiling stereo speaker hifi ceiling speaker Suppliers and K-138 5“ 8Ohm Square ceiling stereo speaker hifi ceiling 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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