Features:
- RMS power4×300W(8Ω)/4×450W(4Ω)
- With USB, MP3 player ,LED,bluetooth,FM,MIC,AUX
- 1-MIC input,1-way AUX input,1-way AUX output
- 4-channel constant resistance power amplifier
- Aluminum
Product category
| ITEM | B-4100U | B-4300U | |
| RMS POWER |
4×100W(8Ω)/4×150W(4Ω) |
4×300W(8Ω)/4×450W(4Ω) | |
| AC POWER | AC220V 50Hz | ||
| FUCTION | BLUETOOTH, USB, FM, AUX Input/output | ||
| SENSITIVITY | 0dB | ||
| FQ RESPONSE | 20Hz-20KHz ± 3dB | ||
| THD | ≤0.1%@1KHz | ||
| S/N RATIO | ≥105dB | ||
| DAMPING COEFFICIENT: | >500 | ||
| IMPEDANCE INPUT | 10KΩ | ||
| SIZE | 430×310×66mm | ||
| WEIGHT | 4.9kg | 5.1kg | |
inner box
carton
| ITEM | SIZE(cm) | PCS/CTN | CBM (m3) | N.W. (kg) | G.W. (kg) | 20GP(pcs) | 40HQ(pcs) |
| D-6100U | 55.5*40.5*27.5 | 2 | 0.062 | 9.80 | 11.80 | 838 | 2128 |
| D-6200U | 55.5*40.5*27.5 | 2 | 0.062 | 10.20 | 12.20 | 838 | 2128 |
|
Required |
—— PLUG |
|
Matching |
—— |
SCHOOL
MEETING ROOM
BUSINESS-CLUB
SHOPPING MALL
AIRPORT/METRO
LIVING ROOM
PANORAMA
Injection
TRANSFORMER
LOUDSPEAKER
Electronic PCB
Assembly
inspection room
Silence room
sample room
Ningbo Cooma Acoustics Co., Ltd. is a B-4300U 300W 4 channel constant resistance power amplifier Suppliers and B-4300U 300W 4 channel constant resistance power amplifier 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 150 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.
CopyRight © Ningbo Cooma Acoustics Co., Ltd.
Add:No.7 Century Road, Doumen Industry park, Mazhu town, Yuyao, Ningbo City, Zhejiang, China.
Tel:+86-0574-62487530 Phone:+86-13957830539 Fax: 0574-62817698
E-mail:adam@chinacooma.com
