mfspdesigns : high quality custom audio designs.

mfspdesigns audio specializes in high quality custom audio designs such as:

Custom passive source selector and switch box (rca, xlr...), digital aes switcher, speaker switch, amp selector, audio converter (balanced unbalanced), rca AB switch for comparison tests, interconnects, headphone cables and custom cables, DIY custom kits…

New ECO Series passive selectors

Affordable and high quality

CSX21E Balanced XLR Switcher

Passive balanced source selector

CSR42E Switch Box ECO

RCA 4IN-2OUT or 2IN-4OUT Selector

CSR23B - RCA Source Selector

Switch box with 2IN-3OUT (or 3IN-2OUT)

CVT42XR - Custom passive converter selector RCA<>XLR

balanced XLR unbalanced RCA , 4IN/2OUT, with silver plated occ copper internal wiring

CSS21E - Speakers Selector Eco

Passive switch 1IN-2OUT (1Amp-2Speakers)

CVT42XR - Custom passive converter selector RCA<>XLR

balanced XLR unbalanced RCA , 4IN/2OUT, with silver plated occ copper internal wiring

CSD21B - DIGITAL AES EBU source selector dual 2IN-1OUT

Dual 2IN-1OUT, for (L,R)+(LFE), custom passive switch box for digital audio components

CSR44C - Custom RCA source selector

4 IN to 4 individual on/off OUT

CVT42XR - Custom passive converter selector RCA<>XLR

balanced XLR unbalanced RCA , 4IN/2OUT, with silver plated occ copper internal wiring

Custom speakers/amplifier selector

passive design, 5IN/1OUT or 1IN/5OUT, individual ON/OFF switch

CSS21G - Passive Speakers-Amplifiers Selector

silver color, 2IN-1OUT

SHC4F - Silver plated OCC copper headphone cable

4 conductors with individual sleeve, single ended 6.35mm jack, for AUDEZE headphones

Custom passive RCA selector

6IN/1OUT or 1IN/6OUT, with silver plated occ copper internal wiring

SHC4F - Silver plated OCC copper balanced headphone cable

4 conductors with individual sleeve, balanced XLR 4 pin, for AUDEZE headphones

We are continuously improving our designs and we only use high quality components and materials with the goal of preserving the purity of the audio signals.

You can find our products categories here, our NEW Eco Series here, and some examples of our products on our social media.

If you don't find what you are looking for, or if you want a quotation or for any other inquiry, don't hesitate to contact us.