RME ADI-2/4 Pro SE High-end Desktop USB Headphone Amp/DAC - Discontinued lightning the low pass filter is

the low pass filter is used for limiting Q value of mid and high-frequency BA drivers

Plug Size: 1/4"

Phones Connector: Stereo phone

the MM-500 produces unparalleled audio quality that other headphones can only dream of

6') attached cable with gold-plated stereo mini-plug includes a simple volume control and locking microphone mute switch for one-hand operation

RME ADI-2/4 Pro SE High-end Desktop USB Headphone Amp/DAC - Discontinued lightning the low pass filter isADI 2 4 Pro SE 2 AD 4 DA 768 kHz, High Performance Converter Based on many years continued feature development of the ADI 2 Pro, RME unveils the next addition to the countless award winning ADI 2 Series. The latest masterpiece comes with a newly developed circuit board, improved specs and faster DSP for an outstanding transparent sound signature, extreme power headphone amplifiers including IEM power setting, super low noise 4. 4 mm Pentaconn balanced