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Professional Power Amplifier Pa 3900 Class H 3u 2x900w - China

price: 1.00 Dollar US$

Main Feature:
1. Splendid color display, display the overload protection, current speed gears of fan, audio signal, voltage of AC, connection mode.
2. Brushed aluminum front panel with unique streamline design.
3. Perfect dynamic, comprehensive current limit, overload and chopped protection.
4. Intelligent-controlling fan for radiating.
5. Perfectly combine H technology and topology.
6. AI insert and SMT automatical technique for strict control the consistency of the products.
7. Adopt A class standard steel disc and fine copper high-powered toroidal transformer to achieve driving bass, mellow alto and clear treble.
8. Adopt original high-powered enthusiast Toshiba audio tube.
9. With USA branded twin tube, circuits is optimized to perfection.
10. Suitable for large stage performances, KTV rooms, pubs and conference rooms etc.

Technical Specifications:
RMS 8Ω/STEREO: 900W+900W
20Hz-20KHz 4Ω/STEREO: 1400W+1400W
THD+N 0.1% 8Ω/BRIDGE: 2800W
Frequency Response ref 1k20Hz-20KHz: ±0.2dB
THD+N: < 0.1%
SNR: 100dB
Damping Factor: >200
SR: >20V/μs
Gain RL 8Ω: 40dB
Input Impedance: balance 20K / unbalance 10K
Output Circuitry: 2-tier Class H
AC Power: AC220V / 50Hz±10%
Amplifier and Load Protection: Soft boot, DC, short circuit, over load, overheat, Clipping distortion
Input CONNECTOR: Female XLR Type/ Male XLR Type
Output CONNECTORS: NL4 Speakon socket, Binding post
Controls and LEDs—Rear Panel: Stereo, Splice, Bridging option switch, Bridging indicator, Sensitivity option switch, Grounding switch, 30Hz HI-PASS switch.
Cooling mode: Stepless automatic transmission cooling fan.

Packaging Info.:
Net Weight: 31.1kg
Gross Weight: 35.73kg
Quantity/ Carton: 1pcs
Packaging Details: Carton with plastic bag inside
Packaging Size: 650(L)*600(W)*205(H)


Company Contact:


  • Phone: +86 15807507112

  • Address: No.1 E1,District 2,Industrial Transfer Estate,Enping City, Jiangmen, Guangdong, China

  • Email: Email

Published date: July 20, 2016 -

  • Business Description: Mainly manufacture professional wireless microphones, processors, mixers, amplifiers, speakers etc audio products. Our company integrates research, production, sales and service with OEM and ODM value-added services.

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