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Switching Power Sound System Amplifier (FB-4K)
US$1.00-800.00
1 Piece
Product profile
Customization
AvailableNoise
<102dBHi-Fi
Not Hi-FiModel NO.
Sanway FB-4KActivity
PassiveOperation Mode
Wire / Remote ControlSpeaker System
Optional CombinationSpeaker Material
WoodApplication
CommercialCertification
CEMonitor
LCD ScreenTHD
<0.005%Transport Package
Durable Cartons or Flight CaseSpecification
CETrademark
SANWAY OR OEMOrigin
Made in ChinaHS Code
8518500000Production Capacity
500PCS/MonthKey features
Low Distortion: THD less than 0.1% ensures clear and accurate sound reproduction.
Wide Frequency Response: 20 Hz to 34 kHz range covers full spectrum audio needs.
Versatile Voltage: Supports 130-265V and 65-135V for global compatibility.
Professional Connectivity: Features balanced XLR inputs and binding post outputs.
Compact Design: Lightweight 12kg net weight with dimensions 483x88x396mm.
Advanced Protection: Includes short circuit, DC, and thermal protection circuits.
Adjustable Gain: 8 selectable voltage gain levels from 23dB to 44dB.
Company profile

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: ≤8.01h 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.
Product Q&A
Q:Does this amplifier support global voltage inputs?
A:
Yes, it supports selectable operating voltages of 130-265V and 65-135V.
Q:What protection features are included?
A:
It includes Class TD TourClass protection against short circuit, DC voltage, turn-on/off transients, current, and inrush.
Q:What is the signal-to-noise ratio?
A:
The signal-to-noise ratio is greater than 112 dBA.
Q:Can the voltage gain be adjusted?
A:
Yes, there are 8 selectable voltage gain levels: 23, 26, 29, 32, 35, 38, 41, and 44 dB.
Q:What are the input and output connector types?
A:
Input connectors are 3-pin XLR (electronically balanced), and output connectors are 2-pole binding posts.
Send Inquiry
*To:
Sanway Audio Equipment Co., Ltd.
Sanway Audio Equipment Co., Ltd.*Content:
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