You're are buying vintage AKG PSU units P48 CMS and MK14. They work with AKG CMS series microphones like C451 preamp. P48 module gives the power and MK14 gives a breakout for a microphone. You can daisy chain more MK14 units. XLR for the microphone and 3-pin din Tuchel connector for output.

Shipping to Germany, Sweden 20 eur. Shipping to France, Netherlands, Italy, Spain, UK, Poland 23 eur. Shipping to  Norway, Island, Switzerland 45 eur. Please ask shipping costs to other countries before buying.

Private seller. No guarantee, no returns.