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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850 Watt Stereo Power Amplifier Active Double Channel 220v - 240v

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850 Watt Stereo Power Amplifier Active Double Channel 220v - 240v

China 850 Watt Stereo Power Amplifier Active Double Channel 220v - 240v supplier

Large Image :  850 Watt Stereo Power Amplifier Active Double Channel 220v - 240v

Product Details:

Place of Origin: China
Brand Name: HLA
Certification: CE,ROHS
Model Number: SD-850

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: 2x350W Power Output Stereo 4Ω: 2x500W
SDR: ≥95dB THD: <0.1%
Inputimpedance: 20KΩ/bal 10KΩ/unbal Voltage Conversion: 29V/uS
High Light:

power audio amplifier


stereo audio amplifier

850 Watt Stereo Power Amplifier Active Double Channel 220v - 240v
Quick Detail:

Place of Origin : Guangzhou , China

Brand name : HLA

Model Number: SD850

Service Type: OEM or ODM


SD-Series are a new range of 2 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. 2U height and 6kg 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.
SD Series offer smooth and responsive handling with massive power output, benefit from the latest advance in SMPS technology, resulting in high power, lightweight units. SD Series are suitable for professional installations, theatre and live sound applications.
They are one series NEVER-STOP analogue power amplifiers.



With switch buffer protection of overheating, clipping, overcurrent, overload, short circuit.

Separation of grounding switch

Working mode conversion ( stereo, mono bridged and connected )

Input sensitivity selection

The 30Hz high-pass filter

Protecting status indication ( overheating / clipping / overcurrent / overload / short circuit )

With soft clipping process, ensure quality of sound.

Excellent sound quality and strong power output

Adopting high integrated parallel circuit design, greatly reduces the breakdown rate

Advanced cooling system and low noise design

Professional input and output terminals

Living event. night club, disco and other applications with high requirements on sound quality and stability


Model SD-850
Stereo Output: 2x850W
4Ω Stereo Output: 2x1300W
8Ω Bridge: 2600W
Frequency Response: 20Hz-20KHz
THD+N: <0.1%
S/N Ratio: 95dB
Input Sensitivity: 1.0V,32dB,26dB
Input Impedance: 20KΩ/bal 10KΩ/unbal
Item Dimensions(mm): 440x482x302 (2U)
Net Weight(kgs): 6

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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