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Fixed - Resistance Audio Power Amplifier , Portable Multi Channel Amplifier

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Fixed - Resistance Audio Power Amplifier , Portable Multi Channel Amplifier

Brand Name : Tohayuan

Model Number : F series

Place of Origin : China

Signal to noise ratio : ≥100dB

Degree of separation : ≥60dB

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

Total harmonic distortion : ≤0.1%

Name : Stereo power amplifier

Conversion rate : 20V/us

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

Competitive Advantage:

good sound quality, high stability, fixed with good electronic components


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

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.


1. we can accept the L/C T/T Western Union and money order. The best way is that you come to our company have a look and pay directly of what you want. If you want another way please contact us before you order

2. make sure that you have complete all the detail information such as the consignee , address and contact methods post code and the telephone number

Product Tags:

multi channel amplifier


speaker power amplifier

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