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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Listen-Acoustic, 1U amplifier
  • Model Number: DAP-3504
  • Input Sensitivity: Selectable 1.25V
  • Frequency Response: 30Hz - 20KHz(±0.3dB )
  • Warranty Date: 1 Year
  • Certificate: CE & ROHS

Packaging & Delivery

Packaging Details Carton Packing
Delivery Time Shipped in 30 days after payment
Product Description

DAP Series Professional 1U Amplifier 3504


DAP Series Professional 1U Amplifier
Model   NumberDAP- 3502DDAP-9002DDAP-3502DAP-3504DAP-9002
RMS POWER/8OHM       350W   * 2CHS   900W   * 2CHS   350W   * 2CHS   350W   * 2CHS   900W   * 2CHS   
RMS POWER/4OHM550W   * 2CHS       1350W   * 2CHS       550W   * 2CHS       550W   * 2CHS       1350W   * 2CHS       
RMS POWER/2OHM700W   *2CHS   /700W   *2CHS   700W   *2CHS   /
Bridged Mode at 1% THD 8   ohms,       1000W   * 2CHS     /1000W   * 2CHS     1000W   * 2CHS     /
Input Sensitivity for rated power into 8OHM1.25Vrms       1.25Vrms       1.25Vrms       1.25Vrms       1.25Vrms       
Input Impedance 20 k ohm balanced, 10 k ohm unbalanced 20 k ohm balanced, 10 k ohm unbalanced  
Voltage Gain     64x(36 dB) for 8 ohm load64x(36 dB) for 8 ohm load 
Dynamic Headroom at 4 ohms2dB2dB 
Distortion, SMPTE<0.02%<0.02% 
Frequency response at 1 watt 30Hz-20Khz, 8 ohms, LF Filter bypassed: +0,   -3 dB30Hz-20Khz, 8 ohms, LF Filter bypassed: +0,   -3 dB 
Noise(unweighted)100 dB below rated   output from 30 Hz to 20 kHz, 8 ohm load100 dB below rated   output from 30 Hz to 20 kHz, 8 ohm load 
ControlsFront Panel- AC power switch, CHA Gain control,   CHB Gain control,   Clip Limiter on/off   controls for each channel and switches for selecting Stereo or Bridge Mode.   breaker for channel.
ConnectorsInputs: XLR female,   TRS(1/4-inch); Outputs: Speakon outputs Inputs: XLR female,   TRS(1/4-inch); Outputs: Speakon outputs  


Product Display

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Packaging & Shipping

For our standard Packing:

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Company Information

Our Services

We are professional manufacturer for proaudio system.
We have 15 years experience in OEM & ODM production for many famous brands.


The advantages to work with us:
1. We focus on details.
2. We can adjust the sound quality without extra cost.
3. Same price we have better quality and same quality we have best price. 
4. Same products just offer one customer in same market to avoid the price war.

We know all what musician's want,
Welcome to visit our web-site !
Shall you have any question or concern, please feel free to contact us in 24hours:
Tel: 0086-574-87865631
Fax: 0086-574-65060088
Contact Person: Roman Ji


Q: Can I get one sample to test first?

A: Of course, the sample charge will back to your bulk orders, and when we have new products, we will offer you free samples for your testing with your future bulk orders.

Q: Can you do OEM / ODM for customers?

A:  Yes we provide full OEM & ODM service, Logo design, carton box design, even customers need logo showed on woofer, our engineer  can design as your request.

Q: What is your MOQ?

A: For different goods, the MOQ from 1pc to 100pcs.

Q: How about your lead time?

A: After confirm received your deposit, for bulk order, the passive system need 25-30 days, active system need 45-50 days. For stock goods, only need 3-7 working days!

Q: What is your guarantee for your products?

A: One year since delivery and 1% free spare parts(For speakers),And we can replace If the defective is confirmed by our quality problem.

Q: ......?

A: For more question, please kindly feel free to contact us, we sure any of your inquiry will get  our prompt attention & reply, thanks!


DAP Series Professional 1U Amplifier 3504

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Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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2 Transactions 20,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $79,000
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