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Guangzhou Jiuding Yinshi Technology Co., Ltd.

  • China,Guangzhou
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China 4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio
China 4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio

  1. China 4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio
  2. China 4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio
  3. China 4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio

4 Channel Class AB Power Amplifier with NL4 SPEAKON Socket Professional Audio

  1. MOQ: 1 Piece
  2. Price: US $235-320 / Piece
  3. Get Latest Price
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
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
Harmonic Distortion <0.08%
Origin Guangzhou, China
Tube Type Transistor Amplifier
Production Capacity 2000PCS/Month
Brand Name MEKEY

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  1. Product Details
  2. Company Details

Product Specification

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
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 Harmonic Distortion <0.08%
Origin Guangzhou, China Tube Type Transistor Amplifier
Production Capacity 2000PCS/Month Brand Name MEKEY
High Light Four Channel 100w subwoofer amplifier ,NL4 SPEAKON 100w subwoofer amplifier ,Four Channel 4 ohm subwoofer amplifier

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.

Four-channel 100W subwoofer amplifier front view with volume knobs and power switch
Rear panel of four-channel amplifier showing XLR inputs, SPEAKON outputs, and sensitivity switches
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
Close-up of amplifier front panel controls and indicator LEDs
Detailed view of rear connectivity panel with XLR and SPEAKON sockets
Company Profile
Guangzhou Jiuding manufacturing facility and showroom

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.

Production line for audio equipment assembly at Jiuding facility
Quality inspection station for audio components
Showroom displaying MEKEY audio products
R&D laboratory for audio engineering at Jiuding
Warehouse and logistics area for audio equipment distribution
Testing and measurement equipment in audio production facility
Completed audio amplifier units ready for shipment
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.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2018

  • Total Annual:

    5000000-10000000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

Guangzhou Jiuding Audio-Visual Technology Co., Ltd. Introduction   Founded in 2018, Guangzhou Jiuding Audio-Visual Technology Co., Ltd. is a professional and market-oriented enterprise integrating R&D, production, and sales, proudly owning the high-quality "MEKEY" brand that... Guangzhou Jiuding Audio-Visual Technology Co., Ltd. Introduction   Founded in 2018, Guangzhou Jiuding Audio-Visual Technology Co., Ltd. is a professional and market-oriented enterprise integrating R&D, production, and sales, proudly owning the high-quality "MEKEY" brand that...

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Get in touch with us

  • Reach Us
  • Guangzhou Jiuding Yinshi Technology Co., Ltd.
  • No. 44, Hongqiao Garden First Street, Dalong Subdistrict, Panyu District, Guangzhou
  • https://www.pro-audioequipments.com/

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