Control Surfaces

The NTI Acoustilyzer AL1 is a handheld sound level meter and acoustic analyzer for measuring and monitoring sound pressure levels, room acoustics and speech intelligibility STI-PA. Its blend of electrical and acoustical functions, combined with compu

RDL's ACM technology is the only time-proven, industry accepted method of controlling Synchronous AM Noise (the elusive FM transmission bandwidth variations that aggravate multipath artifacts in listeners' receivers). Hundreds of top performing FMs i

With the Whirlwind Qbox, send a tone or signal over any XLR line. In one battery-powered unit, you have a microphone, a speaker, a test tone generator, outputs for standard headphones, a 1/4 jack for line in and voltage presence LEDs for confirming p

The ST-NG1 is the ideal choice where random white or pink noise is needed. It is suitable either as a reference noise source for audio measurements or as a masking noise source in engineered sound or counter-intelligence applications. Amplitude limit

The original Whirlwind Tester easily checks for shorts, bad connections, and accommodates XLR, 1/4" and phono plugs. It easily fits in your tool box. 9-volt battery required.

The affordable CM130 Sound Pressure Level (SPL) meter from Galaxy Audio will allow you to quickly check dB levels.• Microphone: 1/2" Electret condenser microphone• Accuracy: ±2 dB ( under reference conditions 94dB @1KHz )• Level Range: 1 = 40 ~ 70 dB

Never play the guessing game with cables again. Featuring a simple 5-way switch to test every pin, even with mismatched connectors, the battery-powered MTEST-1 is an essential tool to have in your bag for every gig. You can even manually test continu

The MR-PRO is a powerful analog audio generator that gives you a full range of analog test signals, including Sine waveforms, sweep signals, white noise, pink noise and more. With its rotary settings wheel, fast access function keys, a backlit LCD, i

The NTI Digirator DR2 is a reference grade digital audio signal generator with transformer balanced AES3, S/PDIF, TOS-Link and ADAT outputs. It offers a comprehensive set of audio test signals and surround sound test sequences for verification and ad

The Potomac SD-31 Synthesizer-Detector is a high output crystal signal generator of precisely known frequency combined with a sensitive, selective detector for RF bridge measurements of AM antenna impedance. Packaged in a single light-weight battery-

The Shure A15TG Tone Generator is a battery-powered 700 Hz signal source that can be used to troubleshoot low-impedance, balanced-line microphone inputs.The A15TG includes a recessed On-Off switch and a three-pin XLR audio connector.  A removable end

The NTI MiniSPL is the ideal accessory for the Acoustilyzer AL1 and Minilyzer ML1, boasting a self-powered design, individual factory adjustment and auto power-off control.Its servo-loop output stage design supports long cable connections between the