Oct 2, 2023 · For instance, QDC 2-pin connectors come with a rounded sleeve that plugs into a rounded socket sticking out the earpiece. Similarly, NX7 or TFZ 2-pin connectors have a squared sleeve that plugs into a squared socket—much like the one on the popular Blon BL03. It's like playing shapes, really.

Nov 7, 2019 · What confused me is that there's this cable called KBear 16 Core, and NICEHCK 16 Core, both are High Purity Copper cables, and the Kbear one has QDC and 2 Pins, while NICEHCK only offers 2 Pins (the other isn't compatible ofc).

Mar 11, 2020 · Regarding the 2 pin outlet on the IEM, there are recessed outlets (probably the best and most durable), flush mounted outlets, and outlets that stick out (but are not meant to be covered by a sleeve, such as qdc or NX7 outlets).

Mar 11, 2020 · I've heard that there is a difference in polarity between 2 pin and QDC, but I can't confirm. Also, the pins on a two pin connector are .78mm apart, whereas the QDC pins are .75mm apart. So I believe the fit would be just a hair off.

Jul 6, 2023 · MMCX connectors cost significantly more than 2-pin which I think is the primary reason that 2-pin is MUCH more prevalent in IEMs. If you want to pick a "standard" and stick with it, 2-pin is the better choice because there's just so many more products that use it …

Jul 4, 2020 · If you get upgrade cables at some point, be aware that QDC is not the way to go. They may look like they fit, but QDC pins are slightly larger (0.78mm) and the polarity is reversed. A lot of people find this out the hard way because the …

Generally, 2-pin connectors come in two types, namely angled QDC pins and straight pins. The straight pins do not offer a locking mechanism, and are often more delicate. They are also quite lightweight, and you can easily bend them by applying little pressure using your fingers.

Aug 16, 2022 · 2-pin connectors are available in 0.78mm and 0.75mm sizes. KZ and QDC manufacturers commonly use the 0.75mm 2-pin sizes, while most other IEM manufacturers stick to the standard 0.78mm 2-pin size. Furthermore, KZ …

Oct 9, 2023 · 2 Pin connectors are of 3 types – 0.78mm, 0.75mm and QDC, although we have listed QDC as a separate entity. This is the commonest type and people prefer it. However, they may loosen with time or may not be water-sealed.

May 14, 2020 · As evident from the name straight pin features two straight pins, the QDC variant has angular 2-pins with a covering. Two-pin connectors are of two sizes, 0.75mm, and 0.78mm. Users should always check the connector type on their IEM first before ordering a cable.