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Alctron’s DB-4C Cable Tester is a must have for any audio engineer or musician. Test all your important XLR microphone, 1/4″ instrument, RCA line level and speaker cables with this compact device. Can test up to 8 pins, including Speakon NL8 connectors.


Easy To Use
Simply plug in either end of an audio cable into Left and Right side of the device, then turn the rotary switch to check signal continuity across all active pins / conductors. The brightly coloured LED’s will light up indicating signal continuity and which pins are connected together.
Rugged, Compact, Reliable
Built with a solid metal construction in a small rectangle shape shell, this cable tester will last the whole nine yards on the road and in the studio.


Connections: 1/4″ jack / 6.5mm TRS Jack, 1/8” / 3.5mm Jack TRS Jack, XLR 3-Pin M/F, XLR 5-Pin M/F, Phono / RCA, Banana plug, Speakon 8P, Speakon 4P, DIN 3P / 5P / 7P / 8P, CAT5
Individual LEDs Confirm Continuity of Each Conductor as well as Proper Phase Connections
Easy to use 8-way rotary control
Rugged and compact all metal chassis
9V DC Battery (Included) and a pair of Test Probes.
Case: Heavy-duty all metal construction
Indicators: 8 Green LEDs
Dimensions (WxDxH): 185 x 55 x 110mm



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