Guangzhou Langyuan Audio Equipment Co.,Ltd

12 years experience, making your world sound the better

specialized in Line Array, professional speaker, monitor speaker, amplifier

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4 Channel Powered Audio Amplifier , High Output Stereo Switching Power Amplifier

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4 Channel Powered Audio Amplifier , High Output Stereo Switching Power Amplifier

China 4 Channel  Powered Audio Amplifier , High Output Stereo Switching Power Amplifier supplier

Large Image :  4 Channel Powered Audio Amplifier , High Output Stereo Switching Power Amplifier

Product Details:

Place of Origin: China
Brand Name: HLA
Certification: CE,ROHS
Model Number: SD-1300K4

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece
Packaging Details: Normal Packing Carton or Flight Case
Delivery Time: 7 days after your payment
Payment Terms: T/T, Western Union,, L/C
Supply Ability: 600 sets /month
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Detailed Product Description
Power Output Stereo 8Ω: 2x1300W Power Output Stereo 4Ω: 2x2100W
SNR: ≥112dB THD: <0.1%
Inputimpedance: 20KΩ/bal Voltage Conversion: 29V/uS
High Light:

stereo audio amplifier


pro audio amplifier

4 Channel Powered Audio Amplifier , High Output Stereo Switching Power Amplifier
SD1300K4 is one new range of 4 channel, high output power amplifiers, which deliver powerful pure sonic performance.It is a multi-functional item. Every channel can change output voltage independently. Kinds of sensitivities are for your choices. It can also be bridged into bigger power 2 channels amplifier. 2U height and 13kg make it especially suitable for line array system. It adopts a full range of onsemi (formerly Motorola) power output transistors. Reliable, durable performance can match all kinds of loudspeaker systems.
SD1300K4 offer smooth and responsive handling with massive power output, benefit from the latest advance in SMPS technology, resulting in high power, lightweight units. SD 1300K4 is suitable for professional installations, theatre and live sound applications.





Modularization design, each channel is completely independent working without influence to other channels. The interference between channels has controlled to the minimum.

High efficiency SMPS and big current storage, intelligent Limiter, multi-protection functions.

1U rack design, small size, light weight, big output power.

Fine materials used, imported power transistors, high frequency capacitors, imported fans.

Club installations
Live performances
Theater installations


Model SD-1300K4
Stereo Output: 4x1300W
4Ω Stereo Output: 4x2100W
8Ω Bridge: 2X4200W
Frequency Response: 20Hz-34KHz
THD+N: <0.1%
S/N Ratio: 112dB
Input Sensitivity: 1.0V,32dB,26dB
Input Impedance:


Item Dimensions(mm): 88x483x396 (2U)
Net Weight(kgs): 12

Competitive Advantage:
good sound quality, high stability, fixed with good electronic components




Guangzhou Langyuan Audio Co., Ltd is specialized in producing professional audio equipment with an own brand “HLA ” since 2005. Our 5,000 square meters plant has R&D, sales and demonstration departments. Fully equipped demonstration facilities are available with knowledgeable staffs.
Langyuan Audio can provide you a wide range of professional sound gear like: A speaker, indoor and outdoor line array speaker, subwoofer, floor monitor, Power amplifier and speaker management system. From the smallest conference room to the largest stadium.
HLA is our brand for global market, show our great responsibility to the customers in any possible as promise. The soul of HLA has to be our attempt to improve our products quality against the best in the world.
Our goal is to provide the best equipment with the best services. We have not deviated from this position since we began and will do it consistently.


Contact Details
Guangzhou langyuan audio equipment shawan branch

Contact Person: Catherine

Tel: +8618922136480

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