Radio Automation

Aqua Broadcast FM Transmitter – COBALT C-50

The COBALT C-50 is a 50W Low Power FM Broadcast Transmitter is FCC part 73 LPFM and IC certified and has superior audio quality and sound clarity thanks to it‘s Direct to Channel Digital technology.Running on a fully customized LINUX OS system, this low distortion modulator is available on all models within the COBALT family of FM Transmitters. Inputs and outputs include Analog, AES/EBU, Digital MPX (AES192), ITU-R BS412.9 Limiter, Ethernet, USB, GPIO, GPS Sync with built in SFN capabilities.

Perfect for low-power applications like Community Radio Gap-filling and scenarios where low power, and High-quality audio are needed.

An optional DC Input lets you run the COBALT C-50 on a 48V DC power system and opens further possibilities for off-grid power options.

Radio market beating sound will let you stand out to your listeners, with its built-in 4 band Audio Processor with Bass enhancement, Pilot protection, Wide AGC and a whole bunch of expertly designed modern presets, so you sound great right from the start.

The modern design lets you easily read the Ultra-clear RGB display, and the intuitive Joystick controls with Haptic feedback and additional silicon buttons allows fast setup, getting you on the air even faster.

The advanced communication package with Intuitive web interface and remote control via Ethernet (https) lets you make changes or monitor the COBALT Transmitter. Full SNMP Version 3 management and the ability to send emails, alerts and monitor audio remotely gives you added confidence knowing you have full control from anywhere in the world on any device with a Web browser.

Easy access to all components and software controlled variable fan speed, will guarantee you low cost of maintenance.

The highest AC efficiency, a compact design and reduced weight mean low cost of transportation and far the lowest total cost of ownership in its class.


– Dynamic, UECP Compliant RDS Encoder
– Direct to Digital Synthesized modulation
– FCC Part 73 Certified for LPFM, and IC Certification for Canada
– Digital MPX with MPX power Limiter
– GPS Sync
– 4 Band Audio Processor
– Linux OS
– RGB Screen
– Ethernet Control