스피커 및 마이크 시리즈
저장 중이홍(ZEH) 전자과학기술유한공사는 1998년에 설립되었으며, 각종 하드웨어 금형, CNC, 판금, 스탬핑 부품 및 기타 고급 정밀 하드웨어 금형 맞춤 제작에 전념해 왔습니다.
Production Capability Advantage
Our speaker production lines are equipped with advanced automated equipment, including high-speed diaphragm assembly machines, precision coil winding equipment, and fully automated gluing and terminal welding systems.
With two factories totaling 9,000㎡, we achieve a monthly production capacity of up to 8 million speaker units, covering micro speakers, full-range drivers, tweeters, and custom speaker solutions.
We implement a strict quality control system supported by ERP/MES software for full production traceability, ensuring high consistency and reliability across every batch.
R&D & Design Excellence
ZEH has a dedicated acoustic engineering team with over 10 years of experience specializing in speaker design, acoustic simulation, enclosure optimization, and fine-tuning. Our engineers collaborate closely with clients to develop custom speaker solutions tailored to specific frequency response, sensitivity, and sound signature requirements. We maintain an independent acoustic lab with state-of-the-art equipment—including B&K analyzers, anechoic chambers, artificial ear testers, and distortion measurement systems—to validate performance during development and mass production.After-Sales Support Advantage
We offer flexible warranty policies, with standard 1-2 year coverage and options to extend based on customer needs. Our professional after-sales team provides lifetime technical support, assisting with installation, tuning guidance, and troubleshooting. We conduct regular customer follow-ups to gather feedback, proactively helping clients optimize product performance and ensure long-term satisfaction.
Speaker Test Device
According to production requirements, our equipment includes:Life tester,Humidity testing,salt spray tester,Audio test,B&K MlSSA tester,Dispensing machine,Rohs tester,Imedance tester,Digital engraving, drop test,distortion measurement,White noise test and etc…
| Product model: | 20*14mm square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 24*15mm inch round shape or square shape.(According to customer requirements) or customized for you |
| Related models: | Black or White 12i nch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 20mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12i nch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 19*12mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 20*14mm square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 24*15mm inch round shape or square shape.(According to customer requirements) or customized for you |
| Related models: | Black or White 12i nch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 20mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12i nch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 19*12mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -10w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 28*31mm square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 15inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 40mm inch round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 15 inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 31 mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 15inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 28mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 15inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 32*32mm square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 15inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 42mm inch round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 15 inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 45 mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 15inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 40mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 15inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 2.5inch square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 2.0 inch round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 12i nch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 1.5inch round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12i nch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 52*52mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 3.0inch square shape or round shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -50w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 3.5 inch round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 12i nch and more models for you choose |
| Power: | 0.5w -50w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 2.0 round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12i nch and more models for you choose |
| Power: | 0.5w -50w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 44*70mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 0.5inch to 12inch and more models for you choose |
| Power: | 0.5w -50w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 48mm round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White ,0.5inch to 6.5inch and more models for you choose |
| Power: | 0.5w -60w |
| Impedance: | 4ohm -16ohm |
| Frequency(Hz) | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 3.5inch round shape or square shape.(According to customer requirements)Can be customized |
| Related models: | Black or White 1.5inch to 6.5inch and more models for you choose |
| Power: | 0.5w -60w |
| Impedance: | 4ohm -16ohm |
| Frequency (Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 26mm Tweeter speaker.(According to customer requirements)Can be customized |
| Related models: | 23mm26mm28mm30mm40mm and more models for you choose |
| Power: | 0.5w -20w |
| Impedance: | 4ohm -32ohm |
| Frequency(Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product model: | 30mm Tweeter speaker.(According to customer requirements)Can be customized |
| Related models: | 23mm26mm28mm30mm40 mm and more models for you choose |
| Power: | 0.5w -15w |
| Impedance: | 4ohm -32ohm |
| Frequency(Hz): | 20Hz – 20Khz |
| Sensitivity: | 85dB -95dB |
| Product name: | 6.0mm round shape microphones |
| Sensityvity: | (1KHz,0dB=1V/Pa):-30±3dB to -62±3dB(as customer’s requirement) |
| Voltage Range: | 1.5V ~ 10V |
| Directivity: | Omnidirectional/Unidirectional(as customer’s requirement) |
| Impedance: | 2.2KΩ Max |
| Related size: | 3.0*1.5/4.0*1.5/6.0*5.0mm//9.7*6.7mm(as customer’s requirement) |
| Product name: | 4.0mm round shape microphones |
| Sensityvity: | (1KHz,0dB=1V/Pa):-30±3dB to -62±3dB(as customer’s requirement) |
| Voltage Range: | 1.5V ~ 10V |
| Directivity: | Omnidirectional/Unidirectional(as customer’s requirement) |
| Impedance: | 2.2KΩ Max |
| Related size: | 3.0*1.5/4.0*1.5/6.0*5.0mm//9.7*6.7mm(as customer’s requirement) |
| Product name: | 9.0mm round shape microphones |
| Sensityvity: | (1KHz,0dB=1V/Pa):-30±3dB to -62±3dB(as customer’s requirement) |
| Voltage Range: | 1.5V ~ 10V |
| Directivity: | Omnidirectional/Unidirectional(as customer’s requirement) |
| Impedance: | 2.2KΩ Max |
| Related size: | 3.0*1.5/4.0*1.5/6.0*5.0mm//9.7*6.7mm(as customer’s requirement) |
| Product name: | 3015SMT round shape microphones |
| Sensityvity: | (1KHz,0dB=1V/Pa):-30±3dB to -62±3dB(as customer’s requirement) |
| Voltage Range: | 1.5V ~ 10V |
| Directivity: | Omnidirectional/Unidirectional(as customer’s requirement) |
| Impedance: | 2.2KΩ Max |
| Related size: | 3.0*1.5/4.0*1.5/6.0*5.0mm//9.7*6.7mm(as customer’s requirement) |