Whirlwind MCT-7 Multi-Connector Cable Tester tests NL4, 5 pin DIN, BNC, XLR, TRS, RCA and 3.5 mm types ......

Whirlwind Qbox (VER 2) Mic / Line Tester, Generator, Intercom is the all-in-one audio line tester ideal for applications such as live sound, maintenance, installation work - anywhere audio runs down a cable......

Whirlwind QBOX-AES Tester - AES/EBU, 48 kHz, 96 kHz, 192 kHz sample rates. Generate into or monitor from your AES digital sound system with this handy tool. Also doubles as a quality A/D and D/A converter and impedance transformer.

Whirlwind TESTER : Cable Tester for XLR, 1/4" and RCA Cables .....