I don't know much about headphones, I just bought Panasonic RP-DJ 100 when i fired up a random Noisia track. The bass sounded weak! I don't fucking get it. They really look like good headhpones based on appereance and some of my knowledge about "frequency" SPECS: Drive Unit (diam. in mm) 28 Impedance (ohm/1kHz) 24 Sensitivity (dB/mW) 102 Max. Input (mW) 1000 Frequency Response (Hz-kHz) 14hz-24khz Cord Length (ft./m.) 6.6/2.0 Plug Adaptor (6.3mm in diam.) Yes Plug Type Gold XBS Yes Twin XBS No Magnet Type Neodymium Travel-fold Design Yes In-cord Volume Control No Single-side Monitoring Yes First, What is XBS? Some bass encancement thing? How do I activate it? And if it responds at 14khz, it probably means that it can handle this classic sine bass which is around 120hz, right? Plus I have some weird plug-ins they are named "Realtek Digital Input" and "Realtek Digital Output" ,none of the output or input jacks gives a signal. Maybe I need to check my motherboard for that which is no problem. Take a look I use my stock on-board soundcard the Realtek HD Audio I have the speakers output as default. My main Questions are: Does it really lacks of bass, or my output is wrong (bad quality output), or i need to get a professional audio card?