3U 4 X 400W AB Class Power Amplifier With TOSHIBA Power Transistors (MA-4400)
Quick details:
Atopt BIG TOSHIBA transistor, very perfect sound
Efficent cooling system, ensure the power amplifier stability
Classic products, good quality
QA Series Power Amplifier
1. 2U/3U rack mounting altitude
2.High stability,low noise ,High efficiency
3.Good protection system : (over current limiter,over heat protection,
4.High frequency protection,input signal limiter,The electric surge limiter,
5.DC protection,start delay, soft start .Voice gradual enlarge and short
6. Circuit to make sure the amplifier stability and durable.
Quality is our culture.
With us your business in safe, your money in safe.
Other models of MT series amplifier:
1. QA-300 AB class power amplifier (2x300W@8Ohm)
2. QA-400 AB class power amplifier (2x400W@8Ohm)
3. QA-600 AB class power amplifier (2x600W@8Ohm)
4. QA-800 AB class power amplifier (2x800W@8Ohm)
5. QA-1000 AB class power amplifier (2x1000W@8Ohm)
6. QA-1300 AB class power amplifier (2x1300W@8Ohm)
Specification of 2 Channels AB class power amplifier:
| Product Name |
Powerfull Runfeng Audio QA Amplifiers |
| Model |
QA-300 |
QA-400 |
QA-600 |
QA-800 |
QA-1000 |
QA-1300 |
| |
2x300W/8Ω |
2x400W/8Ω |
2x600W/8Ω |
2x800W/8Ω |
2x1000W/8Ω |
2x1300W/8Ω |
| Stereo output power |
2x500W/4Ω |
2x680W/4Ω |
2x800W/4Ω |
2x1250W/4Ω |
2x1400W/4Ω |
2x2100W/4Ω |
| |
2x700W/4Ω |
2x900W/2Ω |
2x1700W/2Ω |
2x1850W/2Ω |
2x2400W/2Ω |
2x2600W/2Ω |
| Bridge |
800W/8Ω |
1250W/8Ω |
1850W/8Ω |
2800W/8Ω |
3100W/8Ω |
4600W/8Ω |
| Input impedance |
20KΩ balance/ 10KΩ unbalance |
| Separating degree |
>70dB |
>70dB |
>70dB |
>70dB |
>70dB |
>70dB |
| Slew rate |
35V/US |
40V/US |
40V/US |
40V/US |
40V/US |
>70dB |
| S/N |
>90dB |
>90dB |
>90dB |
>90dB |
>90dB |
>90dB |
| Damping coefficient |
>500 |
>800 |
>800 |
>800 |
>800 |
>800 |
| frequency |
20Hz-20KHz |
| Weight(KG) |
16 |
18.1 |
23.7 |
29.1 |
31.2 |
34.9 |
We can offer you:
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1) Competitive advantage products
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2) Factory price
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3) Confidentiality agreement
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4) Quality assurance contract
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5) After-sales service 24*7
