Subwoofer 18' speaker professional power audio amplifier match for sound mixer

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Product Description

8ΩStereo Power(RMS):2200WX4

4ΩStereo Power(RMS):4000WX4

8ΩBridged Power(RMS):8000WX2

4ΩBridged Power(RMS):9000WX2

Class TD

     DS-20Q Advantage: 

♦4-channel power amplifier, suitable for single 18-inch, double 18-inch speakers, 21 inch subwoofer
can be used at 4ohms 

 ♦Higher power and better heat dissipation

4 Channel Class TD Switching power amplifier 
Create SUPER sound quality, good for dual 18” subwoofer 
Separately controllable on Gain 
Scalable Voltage Peak Limiter (VPL) 
The bridge-mode operation for Touring 
Comprehensive protection scheme 
High-quality material: 
Use Original high-quality capacitor 3600uf 200V 
XLR*/Speakon connectors 
Extended heatsink board to 94 mm

     Please read following before buying , It’s important ! Thanks for your time.

Impedance Matching
Our amplifier suitable for impedance above 4ohms and above. 

How to match our amplifier with your speaker ? 

For the Line array or full range speaker , the RMS power of amplifier is 1.5 times than the speaker's RMS power.
For the subwoofer, the RMS power of amplifier is twice than the subwoofer.

♦Suggest match: FP22000Q match with 4pcs 18inch/ 21inch subwoofer. 

4 Output Channels Power amplifier
8Ω Stereo Power
725W X4
1000W X4
1350W X4
2200W X4
2500W X4
4Ω Stereo Power
1300W X4
1600W X4
2100w X4
4000W X4
4650W X4
8Ω Bridged Power
2500W X2
3200w X2
4200w X2
8000w X2
9000w X2
4Ω Bridged Power
3000W X2
3800w X2
5000w X2
9000w X2
23750w X2
2 Output Channels Power amplifier
If you are interested in more products details , View our Products list or Contact us >>>
8Ω Stereo Power
2400W X2
1800W X2
1500W X2
4200W X 2
4Ω Stereo Power
4400W X2
3000W X2
2800W X2
7500W X 2
8Ω Bridged Power
4Ω Bridged Power



♦What is your MOQ? 
There is no MOQ limit. But order more, cheaper prices. 

Can I make my own logo on the products? 
Yes, we are manufacturer, we accept OEM request! 

Can I pay by Paypal, Escrow or Credit card? What is the payment terms? 
Yes, you can! For the sample or small order(under 3000USD), we accept the payment sent by Western Union, Paypal, escrow; For bulk orders, we can accept Western Union or T/T. Please contact our salesperson. He/She will be your guide. 

Do you provide after-sales service? 
Yes. We support 3 years warranty. If any problems during this period, we will send you free replacements to repair, anyway we will find the best solution for you!

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