Description DB-4C Multi-Audio Cable Tester TRS XLR Audio Network Cable Detector The DB-4C Cable Tester is a must-have for any audio professional or musician. Test all major XLR microphone, 1/4-inch instrument, line-level, and speaker cables with this compact device. Can test up to 8 pins, including Speakon NL8 connectors. Easy to Use Simply plug an audio cable into the left and right sides of the device, then turn the rotary switch to check signal continuity across all active pins/conductors. The bright LEDs light up, indicating signal continuity and connected pins. Robust, compact, reliable. Built with a solid metal construction in a small rectangular case, this cable tester can handle the full nine meters on the road and in the studio. Features: Connections: 1/4" jack / 6.5mm TRS jack, 1/8" / 3.5mm TRS jack, XLR 3-pin male/female, XLR 5-pin male, phono, banana plugs, Speakon 8P, Speakon 4P, DIN 3P / 5P / 7P / 8P, CAT5. Individual LEDs confirm the continuity of each conductor as well as correct phase connections. Easy-to-use 8-way rotary control. Robust and compact all-metal housing. Housing: Robust All-metal construction Displays: 8 green LEDs Dimensions (W x D x H): 185 x 55 x 110 mm Material: Aluminum alloy + plastic Color: As shown Due to different production batches, the appearance may vary, but this does not affect the use Package contents: 1 x DB-4C Multi-Audio Cable Tester Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.