Thanks for the info and link. That is exactly what i was looking for I was thinking about using the stock cable from the porta pros as a temporary replacement on the bang and olufsen set for the time being. Now all I need to do is choose a cable for the koss that doesn't cost 3 5ime the price of the headphones! Thanks again. Well, these two are very different phones, the AD700 has superb soundstage and positioning and are quite airy and bass light. The portapro's have this nice atmospheric sound when you close your eyes but not nearly as refined or detailed as the AD700, plus, they have bloated bass and really sharp treble roll-off, for comparison, when I received my portapro's replacement, the AKG K81DJ (a fairly The Porta Pro cups are just big enough to contain the 35mm driver, so there is simply no space for mini-XLR, 3.5mm, or even 2.5mm sockets. This means we need to consider IEM socket solutions. The tiny MMCX socket is sized small enough to fit and large enough to be worked with by the average DIY’er. These two headphones could be endgame for under $50. You don't need an amp. You don't need a DAC. Plug these into your phone, plug them into your laptop, whatever. They will sound good. Especially if your preferences lead toward popular music. Overview. The acclaimed Koss Porta Pro has set performance and comfort standards for personal listening worldwide. Cord: Straight Dual entry 4ft. Distortion: < 0.2%. Impedance: 60 Ohms (at 1kHz) Plug: 3.5mm/6.4mm. Sensitivity: 101 dB SPL/1mW. Weight: 60g. 5 days ago · Koss-Kopfhörer Vergleich 2024. Die besten Koss-Kopfhörer: Wählen Sie Ihren persönlichen Testsieger aus der Bestenliste. Koss Porta Pro Classic. Koss Porta Pro Headset Inakustik Wireless. Koss UR40 Stereo. Ever since it's introduction in 1984, the acclaimed Koss Porta Pro® has set performance and comfort standards for personal listening worldwide. Date, old to new The new Koss Porta Pro® Wireless takes the legendary sound and the iconic design of the classic Koss Porta Pro® headphones, wireless. RRP. WLWZ.