The AKG C480B Power Module for Ultra Linear Series is a removable power supply that provides flexibility in allowing interchangeable elements to be used depending on the application. The C 480B power module is completely compatible with the CK 61, 62, 63 and 69ULS capsules. The module supplies 48 Volt phantom power and features switchable attenuation of the output level by 10dB. Also featured is a +6dB preamplifier gain, particularly advantageous when using the CK 69ULS shotgun capsule, adding gain to signals generated at lengthy distances from the mic. A 75Hz / 150Hz bass-cut filter is also provided. The module boasts a low-inherent self noise spec resulting in dynamic range of more than 120dB.