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Professional Audio Power Amplifier , 4 Channel Speaker Power Amplifier

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Professional Audio Power Amplifier , 4 Channel Speaker Power Amplifier

Brand Name : Tohayuan

Model Number : F series

Place of Origin : China

Total harmonic distortion : ≤0.1%

Name : Speaker power amplifier

Frequency response : 20Hz-20kHz,+1/-1dB

Signal to noise ratio : ≥100dB

Degree of separation : ≥60dB

Conversion rate : 20V/us

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Four-channel Fixed-resistance Power amplifier, High power, portable


Light weight
High efficiency
SmaIl size
Best performance
Clear and attractive sound

Product features:

1: NEW MD component technology, long-term selection of devices, products stable and reliable;

2: The transistor directly contacts with the radiator, dissipates the heat quickly, the automatic variable speed fan, the optimized heat dissipation system, lets the whole machine work stably;

3: The automation of the process greatly reduces the artificial, integrated assembly, reducing the artificial damage;

4: Unique short-circuit lock and automatic determination of reset function, so that customers more reliable visual performance;

5: More than 200 items of fine test, each index is excellent;

The new F series four-channel fixed-resistance amplifier, it is outstanding performance, with load capacity, can be in full-frequency and ultra-low-frequency speakers in performance. This is a small size, light weight of the ultra-high-power amplifier, for the speaker to provide a strong and pure sound. POWER AMPLIFIER ADOPTS HYBRID TD engine structure, which can provide stable signal processing ability in the whole power range. It has the advantages of high power, portable and so on.

Accurate amplification, true reproduction of sound density.

Using high-efficiency high-current switching power supply, can work stably under 2 load state.

Full-function protection circuit, including short-circuit, temperature, DC, UHF, secondary wave, distortion limit and so on.

Fully enclosed high-density copper radiator, intelligent high-speed fan system, to ensure long-term safe operation of power amplifier, suitable for all kinds of harsh environment.

High-grade Aluminum Alloy wire-drawing panel, detachable cleaning vent.

Both a class a sound quality, but also h class high efficiency, high power and low heat consumption characteristics.

Pressure limit control function per channel.


Club installations
Live performances
Theater installations

Product parameters:

Rated power 1KHz, 0.5% THD+NStereo 8Ω4×250W4×400W4×600W4×800W4×1100W4×1500W
Bridge monophonic 8Ω1000W1600W2400W3200W4400W6000W
Frequency response(1W/8Ω)20Hz-20kHz,+1/-1dB

Total harmonic distortion


Damping Coefficient≥200:1≥220:1≥250:1≥280:1≥320:1≥350:1
Conversion rate20V/us
Voltage amplification factor(1V)53678090102112

Signal to noise ratio

(A Accounting Weight)


Input sensitivity

(Rated power8ohms)

1V or 1.4V
Input impedance20k ohms( Equilibrium)/10k ohms(Nonequilibrium)
Degree of separation≥60dB
Enter the Common-mode rejection≥60dB
Input ConnectorEach channel is balanced one way XLR
Output Connector (Speaker Connection Interface)Per Channel 4-POLE Speakon
Power supplyAC 220V-230V 50Hz
Case size(mm)483mm×88mm×398mm
Net weight20kg22kg25kg26kg28kg35kg

Brand Promises:

To get the best goods with least money is not only customers favorites, but also our target.

1. Quality Wood Enclosure: Birch Plywood and Plywood.

2. Detailed cutting and Design: Professional design for driver,frequency divider,tweeter, horn and cabinet.

3. Environment protection spray-paint: nontoxic water paint which is environment protected and wearable.

4. CE&RoHS certificate: for all products

5. Strictly test before delivery: All products are under the examination of our engineer team before delivery.

6. Strong packing: Quality carton boxes with firm belt and flight cases are required.

7. Fast lead time: Sample order in stock and normally within two weeks for bulk production.

8. Good After-sale service: All products have one year warranty and lifetime follow-up service.Parts will be free from maintenance within warranty period. Any inquiries will be replied within 24 hours.

Product Tags:

stereo power amplifier


speaker power amplifier

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