Wholesale K-103 3” 8ohm full frequency water-proof audio hifi ceiling speaker

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K-103 3” 8ohm full frequency water-proof audio hifi ceiling speaker

01

Product category

K-103 3” 8ohm full frequency water-proof audio hifi ceiling speaker

Features:

  • 3 inch full frequency water-proof audio ceiling speaker
  • 15W RMS power
  • 8Ohm ceiling speaker aluminum gold basin full frequency audio
  • Metal spring strong for the ceiling

03

DATA INFORMATION

ITEM

K-103

RMS POWER

15W

MAX POWER

20W

IMPEDANCE INPUT

SENSITIVTY

90dB±3dB

FQ RESPONSE

80hz-20Khz

LOUDSPEAKER

3“ (Φ76mm)20mm cone

OUTSIDE SIZE

Φ102mm

HOLE SIZE

Φ83mm

INNER BOX SIZE

105×107×68mm

MATERIAL

Aluminum

COLOR

Gold/Silver

N.W.

0.35kg

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 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)

K-103

 44*33.5*22.5

36

0.033

12.60

16.40

28368

72000

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-103 3” 8ohm full frequency water-proof audio hifi ceiling speaker Suppliers and K-103 3” 8ohm full frequency water-proof audio 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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