52 visiting now: 14 USA USA flag 13 China China flag 13 France France flag 6 Sweden Sweden flag 1 UK UK flag 1 Ukraine Ukraine flag 1 India India flag 1 Netherlands Netherlands flag 1 Russia Russia flag 1 Bangladesh Bangladesh flag

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.

Related listings



  • Lme49811 Audio Power Amplifier Series
    Lme49811 Audio Power Amplifier Series
    Audio Electronics - Amplifiers - Kynix Semiconductor HongKong Limited - China - November 25, 2016 - 25.00 Dollar US$

    DESCRIPTION The LME49811 is a high fidelity audio power amplifier input stage designed for demanding consumer and pro-audio applications. Amplifier output power may be scaled by changing the supply voltage and number of output devices. The LME49811 i...

  • Dual Band Portable Radio Amplifier Tc Vu50
    Dual Band Portable Radio Amplifier Tc Vu50
    Audio Electronics - Amplifiers - HYS Two Way Radio Walkie Talkie Co., Ltd. - China - November 24, 2016 - contact company for price

    Model No.: TC-VU50 Hits: 6 China Dual Band Amplifier Manufacturer Truest provides Dual Band Portable Radio Amplifier, TC-VU50, Frequency 136-174 and 400-480MHz, Mode FM-SSB-CW. Technical Specifications: 1. Frequency: 136-174 and 400-480MHz.(Any 10MHZ...

  • Mc33078d Dual Quad Low Noise Operational Amplifiers
    Mc33078d Dual Quad Low Noise Operational Amplifiers
    Audio Electronics - Amplifiers - UTSOURCE HOLDING Co., Ltd - USA - September 30, 2016 - 0.45 Dollar US$

    The MC33078/9 series is a family of high quality monolithic amplifiers employing Bipolar technology with innovative high performance concepts for quality audio and data signal processing applications. This family incorporates the use of high frequenc...



Safe Trade Tips

  • Ask for business references and check them
  • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
  • Verify their business via their local Chamber of Commerce
  • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
  • Get to know more about scams to avoid: Internet Crime Complaint Center - International Financial Scams
  • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"