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Polarity Tester Automatic Speaker / MIC Auto Polarity Finder for testing the polarities of speaker headphones & dynamic coil receivers
Overview This speaker polarity tester is a specialized instrument designed for quickly and accurately determining the polarity of various speakers, headphones, and dynamic microphones. It offers fully automatic testing with clear indicators, making it an essential tool for speaker production lines and audio equipment...- $299.00
- $299.00
- Unit price
- per
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Measurement Meters
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Featured Products
KUAIQU 30V 60V 120V Adjustable DC Power Supply Battery Charger Reverse Polarity Overcharge Protection for Lithium Lead Acid Batteries
English Manual Key Features: Smart Battery Charging Enables intelligent charging with a real-time display of Ah capacity, allowing you to monitor charging progress precisely. Automatically terminates charging when the battery is fully charged to prevent overcharging. Comes with battery activation and balancing capabilities, helping...
- From $79.99
- From $79.99
- Unit price
- / per
KUAIQU 30V 60V 120V Adjustable DC Power Supply Variable Short Killer with 18W USB Quick Charge Output Switch for Battery Charging
English Manual Key Features: Enhanced OVP/OCP ProtectionUpgraded Over Voltage Protection (OVP) and Over Current Protection (OCP) with a dedicated control button.When output voltage/current exceeds preset levels or a short circuit happens, the power supply automatically stops output, triggers a beeping alarm, and the display...
- From $59.99
- From $59.99
- Unit price
- / per
NICE-POWER SPS3010-2KD - 30V 10A Dual Independent Output Power Supply Negative Voltage Output for DC Motor Scenarios
English Manual Key Features 4 in 1 DC Power SupplyThis dual DC power supply meets the needs of multiple power supply specifications at one time—one dual DC power supply is equivalent to two 30V10A power supplies, one 30V20A power supply, and one 60V10A power...
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- $149.99
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