1/4 inch female-female interconnector

docbaker

Just got some grado headphones to plug into my amp, but the cable is too short for comfort.  

Intend to connect a spare gibson cable between the amp and the headphone male jack, so I need a female-female interconnector. 

Any advice on what to use and source?

Thanks

ICBM

http://www.gear4music.com/Books-DVD-and-Sheet-Music/Neutrik-NA3JJ-635mm-Stereo-Locking-Female-Jack-Coupler/NS8?origin=product-ads&utm_campaign=*PLA+Shop+-+All+Products&utm_medium=vertical_search&network=google&adgroup=**All+Products&merchant_id=1279443&product_id=30824d1&product_country=GB&product_partition_id=24268095374&gclid=CL-ohcyarNECFQ0R0wodQ-kMWQ

Not cheap, but the best - good enough for speaker connections as well as headphone if you need it to do that.

docbaker

I thought that there must be a locking soluton, that's great, thanks very much for that
Kind regards