What are the input voltage options?

It supports AC110V or AC220V input voltage.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-season.

D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer

Name: D20kq 4 Channel Class-D Digital DSP Amplifier for Big Power Subwoofer
Brand: Sanway Audio Equipment Co., Ltd.
SKU: 876131135

Guangdong, ChinaSanway Audio Equipment Co., Ltd.

US$680.00-880.00

1 Piece

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Hi-Fi, AV

Model NO.

D20KQ

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier

Sound Channel

4.1

Output Number

Voltage

AC220V or AC110V

Element Number

Push-Pull Amplifier

Conductive Mode

D20kq 4 Channel Class-D DSP Amplifier

Big Power Subwoofer Digital Amplifier

8 Ohms

4 X 2100W

4 Ohms

4 X 4000W

Warranty

2 Years

Transport Package

Double Layer Carton Packing

Specification

483× 377× 88mm

Trademark

Sanway Audio

Origin

Made in China

HS Code

8518400090

Production Capacity

2000 PCS /Month

Key features

High Power Output: Delivers 4x4000W at 4 Ohms or 4x2100W at 8 Ohms for big power subwoofers.

Advanced DSP Control: Features Mute, Polarity, Gain, EQ, Crossover, and Limiter functions via PC.

Ethernet Wi-Fi Control: Control multiple D20KQ amplifiers simultaneously with one computer via Ethernet.

Efficient Cooling System: Innovative high-efficiency cooling design ensures fast heat dissipation.

Professional Audio Quality: Dynamic range >110dB, SNR >110dB, and THD+N <0.01% for clear sound.

Flexible Crossover Settings: Each channel supports independent LPF, HPF, APF with adjustable slopes.

2-Year Warranty: Comprehensive 2-year warranty coverage for peace of mind.

OEM/ODM Support: Customization services available for branding and specific requirements.

Company profile

Sanway Audio Equipment Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2006-07-15 CertifiedNearest Port: Zhaoqing Port, Guangzhou port, Shenzhen PortAverage Response Time: ≤8.03h CertifiedTerms of Payment: T/T, PayPal, Western Union

AI-Powered supplier vetting

SummarySanway Audio Equipment Co., Ltd. is identified as a combined limited company and factory-based professional audio manufacturer in Guangzhou, China. Its stated product range covers power amplifiers, speakers, line-array systems, processors, and related professional audio equipment. The supplier reports five production lines, 11–20 quality-control staff, four R&D engineers, and stated annual capacities of 3,000 power amplifiers and 10,000 line-array sets. It describes quality-control procedures, trained personnel, experienced engineers, and product innovation, but no management-system certification is reported. Export activity is indicated through a 51%–70% export-sales share and markets in South America and Europe. Trade records show one buyer in Kazakhstan, although the records do not establish broader customer performance. Lead time is stated as within 15 working days in both peak and off-peak periods. Evidence is insufficient to verify financial strength, after-sales arrangements, or customization...

Supplier typeThe supplier is described as a factory specializing in research, development, manufacturing, sales, and technical services. Its registered entity is a combined limited company based in Guangzhou, China, supporting classification as a manufacturer with integrated commercial and technical functions.

CertificationsThe supplier’s certification of management systems is explicitly listed as NIL. Therefore, no management-system certification is evidenced in the provided information.

R&D capabilityThe supplier states that it conducts research and development, emphasizes quality and innovation, and employs engineers and technicians with extensive professional-audio experience. Four R&D engineers are reported, and the product range includes DSP-equipped amplifiers and digital speaker processors, providing evidence of relevant product-development capability.

Production capacityThe supplier reports factory manufacturing, a modern assembly line, strict quality control, five production lines, 11–20 quality-control staff, and annual capacities of 3,000 power amplifiers and 10,000 line-array sets. It also states a lead time within 15 working days in both peak and off-peak seasons, supporting a demonstrated production capability.