Two-channel professional amplifier CA9
Two-channel professional amplifier CA9

Two-channel professional amplifier CA9

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Digital Professional Audio System

Power Amplifier

Class D Dual Channel CA Series Amplifier

Key Word ：

Digital Public Broadcasting System

Whatsapp: +86 13312897759

E-mail:caoyaoyu@gztsaudio.com

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2 ohm Stereo (per channel): 2030W×2
4 ohm Stereo (per channel): 1450W×2
8 ohm Stereo (per channel): 800W×2
8 ohm Bridged: 2900W×1
4 ohm Bridged: 4060W×1

## Product Specifications
Frequency Response (1W): 2Hz–20kHz, +0/-1dB
SMPTE Ratio: Ch1 –73dB, CH2 –75dB
Slew Rate: 28V/μs
Damping Factor (8 ohms, 1kHz): ＞500
Signal-to-Noise Ratio (20Hz–20kHz, A-weighted): >112dB
Total Harmonic Distortion (THD) at 1/8 rated full power: ＜0.0042%, 2Hz–20kHz
Input Gain Options: 20dB, 23dB, 26dB, 29dB, 32dB, 35dB, 38dB, 41dB
Input Impedance: Balanced: 20k ohms; Unbalanced: 10k ohms

## Connectors, Controls and Indicators
Input Connectors: One balanced XLR connector per channel
Output Connectors (Speaker Terminals): One 4-POLE Speakon connector per channel
Front Panel Controls: Power switch, channel gain control knobs
Rear Panel Controls: Operation mode selector (Stereo, Parallel, Bridged), gain selection encoder
Power Indicator: One green LED per channel
Signal Indicator: One green LED per channel
Clip Indicator: One yellow LED per channel
Fault Indicator: One red LED per channel
Operating Mains Voltage: AC 90V–264V

## Mechanical Construction
### Protection Circuits
Short-circuit protection, overcurrent protection, overvoltage protection, thermal protection, RFI interference suppression circuit

### Ventilation
Front-to-rear airflow convection design

### Cooling System
Forced internal air exhaust cooling with fans, linear speed regulation and thermal safeguard

### Dimensions (W×D×H)
Unit dimensions: 483mm×310mm×88mm
Packing dimensions: 550mm×395mm×120mm
Net Weight / Gross Weight: 6.25KG / 7.3KG

Due to continuous product upgrades, changes in parameters will not be notified in advance!

Cases

FAQ

WEISHITE

What are full mouth dental implants like, and what is All-on-4?

WEISHITE
The rapid advancement of medical technology is also evident in the field of dental implants. Complete edentulism has always been a complex and challenging case in the field of dental implants, as the absence of teeth for an extended period can lead to significant atrophy of the alveolar bone.
WEISHITE

What is the best age for teeth alignment? At what age is it best?

WEISHITE
Teeth straightening can help correct misaligned and displaced teeth, but some adults worry whether they can still be corrected as they age. Some customers are concerned that their children are too young and may not be able to undergo correction for a while. So, what is the best age for teeth straightening?
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Common Mattress Troubleshooting - Mold

WEISHITE
The mattress may develop mold on the surface if the plastic film is not removed during use, if the baseboard is not breathable, or if the environment is humid. Please ensure good indoor air circulation, frequently change the bed sheets, and clean the surface of the mattress.
WEISHITE

Common Mattress Troubleshooting - Infestation

WEISHITE
If a mattress is not turned or cleaned for a long time during use, it may breed bacteria and dust mites. Please keep indoor air circulation smooth, frequently change bed sheets, and clean the surface of the mattress.
WEISHITE

How to maintain a mattress?

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1. The newly purchased mattress may have a new product smell due to being sealed in packaging for a long time. As long as you keep the indoor air circulating or place it in a well-ventilated and cool area for 72 hours, the smell will significantly decrease.

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WEISHITE Audio Technology (Guangzhou) Co., Ltd

Address: 5th Floor, No. 11, Area A5, Lixin Road, Huimei New Village, Xintang Town, Zengcheng District, Guangzhou City

Tel: +86 13312897759  

E-mail ：caoyaoyu@gztsaudio.com

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