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4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
Specifications
Used For :
Professional
Specification :
Black
Output Number :
4
Signal-to-Noise Ratio :
>98 dB
8ω Average Power :
300W×4
Voltage :
AC 220V
Sensitivity :
0.77V/1.0V/1.4V
Dimensions(W*D*H) :
483X360X88 mm
MOQ :
1 Piece
Sound Channel :
4CH
Conductive Mode :
AB
Transport Package :
Strong Packing
Element Number :
Monoamplifier
Frequency Response :
20 Hz-20 kHz(±0.5dB)
Function :
Post Amplifier, Amplifier Combined, Pre-amplifier
HS Code :
8518400090
Model NO. :
MP-26403
Trademark :
MEKEY
Price :
US $235-320 / Piece
Brand Name :
MEKEY
Harmonic Distortion :
<0.08%
Origin :
Guangzhou, China
Tube Type :
Transistor Amplifier
Production Capacity :
2000PCS/Month
Description

A professional four-channel amplifier engineered for demanding audio installations, delivering reliable performance with a 20 Hz–20 kHz frequency response and robust Class-AB topology.

4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
Technical Specifications
Detailed performance and connectivity parameters
Average Power at 1.8Ω 300W × 4
Average Power at 2.4Ω 550W × 4
Voltage Gain at 8Ω 42.0 dB
Power Amplifier Topology Class-AB
Frequency Response 20 Hz to 20 kHz (±0.5 dB)
Total Harmonic Distortion <0.08%
Signal-to-Noise Ratio >98 dB
Damping Factor >350
Isolation (Cross-talk) >60 dB
Slew Rate >25 V/μs
Input Sensitivity 0.77V / 1.0V / 1.4V
Input Impedance (Unbalanced / Balanced) 10 kΩ / 20 kΩ
Airflow Direction Front to back
Input Section Balanced XLR female, parallel XLR male
Output Section NL4 SPEAKON socket
Front Panel Power switch, volume knob (stereo)
Back Panel Sensitivity switch, grounding, parallel connection switch
Dimensions 483 × 360 × 88 mm
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
Company Profile
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier

Guangzhou Jiuding leads in R&D, production, and sales with its "MEKEY" audio brand. Our 6,000 sq m plant features state-of-the-art production lines, specializing in crossover boards, speaker units, and audio processing. Facilities include R&D, production, inspection, and showroom areas.

Guangzhou Jiuding provides end-to-end solutions from design to implementation. Trusted across military, government, and enterprise sectors with over 200,000 successful cases.

4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
Frequently Asked Questions
Is the product a brand-new original factory product?

All products are brand-new and original. Factory authorization and commitment letters are available upon request.

Can you provide samples for bulk orders?

Free samples are provided prior to bulk orders. The customer covers shipping costs.

What is the delivery time?

Delivery times vary. Bulk orders typically take 7–12 days.

What are the logistics methods?

We provide sea and air freight. Air freight is suitable for small items; batteries are excluded. For details, please contact customer service.

What is the payment method?

Payment is required before shipment. The deposit amount varies with order volume.

What is the product warranty period?

Standard warranty lasts two years from shipment. For extended warranty options, please contact customer service.

Can you provide after-sales service?

After-sales service covers equipment failure and technical support. Strict quality control minimizes failures. We offer replacement or repair for defective units. Technical services include a 24-hour hotline and online support.

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4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier

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Product Detail
Used For :
Professional
Specification :
Black
Output Number :
4
Signal-to-Noise Ratio :
>98 dB
8ω Average Power :
300W×4
Voltage :
AC 220V
Contact Supplier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier
4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio Amplifier 300W x 4 Subwoofer Amplifier

Guangzhou Jiuding Yinshi Technology Co., Ltd.

Verified Supplier
1 Years
guangzhou
Since 2018
Business Type :
Manufacturer
Main Products :
Professional Loudspeaker, Power Amplifier, Audio Mixer
Total Annual :
5000000-10000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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