| Option | Without Testing Microphone |
|---|---|
| Brand | Unbranded |
| Model | Audio Test System |
Check the listing for details. Multifunctional Audio Test System for Speaker Amp TS Parameter/THD+Testing Mic. Condition: New. Listed at 170.85 USD. DSP curve debugging of the phase, delay, curve, and best listening position of the car mounted speaker. MID-1000 Testing Microphone Specification (Optional) - Directivity: Omnidirectional capacitive microphone.