Cable Tester for 7 Connector Types The Mackie MTest-1 is a cable tester designed to provide pin-to-pin troubleshooting of multiple connection types for musicians, stage crews, and audio engineers in live stage applications and home, project, and mobile-recording studios. It features XLR 3-pin, speakON, RCA/phono, MIDI, banana/continuity, 3.5mm TRS, and 1/4" TRS/TS jacks and includes probes for testing other connectors and bare wire. Its 6-way switch offers a straightforward way to check battery status and the continuity of each pin. The MTest-1 is sturdily constructed with heavy-gauge steel for dependable use on tour or in the studio. Being powered by a single 9V battery, it requires no additional power supply.Features: Test common connector types for efficient troubleshooting XLR 3-pin, speakON, RCA/phono, MIDI, banana/continuity, 3.5mm TRS, and 1/4" TRS/TS jacks 6-way switch allows testing of each pin, ground connection, and battery status Dedicated LED indicator for ground check Powered via 9V battery Specifications: Connectors: 2 x 1/4" TRS/TS 2 x MIDI 5-pin 2 x RCA/phono 2 x XLR 3-pin 2 x speakON 2 x 1/8" (3.5 mm) TRS 2 x Banana/continuity Power Requirement: 1 x 9 V battery Construction Material: Heavy-gauge steel chassis Dimensions (H x W x D): 2.7 x 6.5 x 4.8" / 69 x 165 x 122 mm Weight: 1.4 lb / 0.6 kg