AKG Wireless microphone system AKG-WMS-420 VOC SET PRODUCT HIGHLIGHTS HT420 Handheld Microphone Transmitter SR420 Stationary Receiver Microphone Capsule Rejects Feedback 8-Hour Battery Life on Single AA Battery Detachable Antennas for RF Accessories Balanced XLR and Unbalanced 1/4 Outputs Adjustable Squelch Control Audio Clip and RF Control LEDs 30 MHz Bandwidth 30-Meter Range T