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Factory Best Selling Micro Speaker Rectangle Length 20mm Width 16mm 1.5W Mini Speaker 94.5±3 Pad Connection Sr0820s-03 (superlinear)
US$1.00
1,000 Pieces
Sample price:US$1.10/piece.Request sample
Product profile
Customization
AvailableCone
MetalConnection Type
Spring ConnectionModel NO.
SR0820S-03 ( superlinear)Impedance
8.0 OhmsPower
1.5 WSound Pressure Level
94.5 DbUsage
Car Audio, Conference Room, Portable Audio, Professional Recording, Public AddressWORD nChannels
StereoThd
<30% at 300-500 Hz, <10% at 1kHz <7% at 2K-8kHzF0 @ 2.83vrms
700Hz±15%(in 1cc Box, 20℃)Spl
94.5±3db(1W/10cm@ 2kHz in 1cc Box on Baffle)Size
20X16X2.45mm(Maximum Amplitude 0.5)Transport Package
Export Standard CartonSpecification
Length 9mm Width 8mmTrademark
SROrigin
ChinaHS Code
8518290000Production Capacity
9000000/MonthKey features
Wide Application Range: Suitable for car audio, smart door locks, mobile phones, tablets, laptops, and various consumer electronics.
Customizable Terminations: Configurable with spring contacts, solder pads, or multiple wire lead lengths and connector options.
Compact Miniature Size: Ultra-small dimensions of 20x16x2.45mm with maximum amplitude of 0.5mm for space-constrained designs.
Metal Cone Construction: Features a durable metal cone for enhanced acoustic performance and structural integrity.
Low Distortion Performance: Maintains THD under 30% at 300-500Hz and under 7% at 2K-8KHz for clear audio output.
Spring Connection Type: Equipped with reliable spring connection for secure and efficient electrical contact.
Custom Design Support: We welcome custom designs to meet specific application requirements for unique projects.
Company profile

Business Type: Manufacturer/Factory, Trading Company, OtherExport Year: 2006-02-01Nearest Port: Shanghai, Nanjing, NingboAverage Response Time: ≤4.82hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF
AI-Powered supplier vetting
SummarySunny Electronics Technology Co., Ltd. is identified as a China-based limited company involved in trading and manufacturing, with operations and factory information in Jiangsu. Its stated business focuses on piezo ceramics and related electronic components, supported by five production lines, 21–30 years of R&D engineer experience, 31–40 quality-control staff, and documented product output. The supplier reports ISO 9001, ISO 14001, and HSE management-system certifications. It serves multiple international markets, with exports representing 71%–90% of sales and stated one-month lead times in both off-peak and peak seasons. Evidence supports production, quality-system, export, and innovation capabilities. However, the provided information does not sufficiently establish after-sales service performance, customization capability, or broad verified customer references. One trade record describes drinking straws, which is inconsistent with the supplier’s stated piezoelectric product focus and should be clarified.
Supplier typeThe supplier is described as a trading company, manufacturer/factory, and other business entity, while its stated business is the development, production, and sale of piezo ceramics and related components. The legal name and business descriptions consistently identify a technology-oriented supplier, although the records also indicate trading activity.
CertificationsThe supplier states that it obtained ISO 9001 certification in 2004 and ISO 14001 certification in 2017. The management-system listing additionally includes ISO 9001, ISO 14001, and HSE, providing explicit evidence of quality, environmental, and health-and-safety management certifications.
R&D capabilityThe supplier describes itself as an innovator in electrical functional ceramics and focuses on developing piezo ceramics and related components. Its reported 21–30 years of total R&D engineer experience and stated proprietary manufacturing process provide explicit support for technical and innovation capability.
Production capacityThe supplier reports five production lines, 31–40 quality-control staff, and product output of 2,000,000 multilayer piezoelectric actuators, 3,000,000 piezoelectric bender actuators, and 16,000,000 piezo ceramic components. It also reports one-month order fulfillment in both peak and off-peak seasons, supporting an established and scalable production capability.
Product Q&A
Q:What are the dimensions of the speaker?
A:
The size is 20x16x2.45mm with a maximum amplitude of 0.5mm.
Q:What is the power rating of this speaker?
A:
It has a power rating of 1.5W.
Q:Can the speaker be customized for specific needs?
A:
Yes, we welcome custom designs to meet specific application requirements, including various terminations and wire options.
Q:What are the available connection types?
A:
It supports spring contacts, solder pads only, and multiple wire lead lengths with connector options.
Q:What is the impedance of the speaker?
A:
The impedance is 8.0 Ohms.
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Sunny Technology Co., Ltd.
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