The LA-40mkIII from Tascam is a professional-quality 4-channel audio converter that can convert unbalanced audio signals into balanced signals, and vice versa. It offers XLR and RCA input and output connectors for connection to a wide variety of consumer and professional audio devices.
The unit has ±12dB trim controls for precise matching of audio levels, and a ground-lift switch on each channel to reduce hum. A signal LED is available on each channel so you can quickly identify whether or not a channel is active.
Sleek metal rackmount chassis for standard installation
Provides 4 channels of unbalanced-to-balanced audio conversion, and vice versa
XLR and RCA I/O connectors for wide compatibility
Each channel has a ±12dB trim control for precise level matching
Individual ground-lift switches on each channel, plus an "all lift" switch for engaging all channels at once
Signal LEDs indicate the presence of a signal on a particular channel