Speakers: Koss UR-20 Home Headphones - Koss

Musical Instruments: Behringer HPS3000 Studio Headphones - Behringer USA

Musical Instruments: BEHRINGER HPM1000 Headphones - Behringer USA

Musical Instruments: Hosa CMS-110 3.5 mm TRS to 1/4 inch TRS Stereo Interconnect Cable, 10 feet - Hosa

Musical Instruments: Hosa GPM-103 3.5mm TRS to 1/4" TRS Adaptor - Hosa

Office Product: Hamilton Electronics SchoolMate Deluxe Stere/Mono Headphone with 1/4" Plug - Hamilton Electronics

Speakers: eFuture 615136 LE Quality Headphone Adapter Stereo Gold Plug 1/4-Inch Male to 1/8-Inch Female - eFuture

Musical Instruments: Hosa CMP-153 3.5 mm TRS to Dual 1/4 inch TS Stereo Breakout Cable, 3 feet - Hosa

Musical Instruments: Hosa HPE-310 1/4 inch TRS to 1/4 inch TRS Headphone Extension Cable, 10 feet - Hosa

Musical Instruments: Hosa MHE-325 3.5 mm TRS to 1/4 inch TRS Headphone Adaptor Cable, 25 feet - Hosa

Speakers: 1/4-Inch Stereo Headphone Extension Cord 25 feet Coiled - Parts Express

Speakers: Hosa YPP-118 1/4 inch TRS to Dual 1/4 inch TRSF Y Cable - Hosa

CE: Cable Matters 5-Pack, Gold Plated 6.3mm (1/4 inch) to 3.5 mm Male to Female Stereo Adapter - Cable Matters

Speakers: Cosmos Black Headphone Stand with 2 Silver 3.5mm 1/4 Adapters for Sony, Sennheiser HD598 HD448 HD558 HD280 PXC 250 II, Shure, Ultimate Ears, Koss, JVC, Philips, AKG, Monster Beats, Skullycandy, Coby, Platronics + Free Cosmos Cable Tie - Cosmos

Wireless: Miccus Mini-jack TX: Portable, Bluetooth transmitter connects to any 3.5mm headphone output. For Bluetooth headphones, Bluetooth speaker, Bluetooth receiver (A2DP) - Miccus, Inc.

Speakers: Sony MDRZX110 ZX Series Stereo Headphones (Black) with 3.5mm Mini Plug to 1/4 inch Headphone Adapter & HeroFiber? Ultra Gentle Cleaning Cloth - Sony

CE: Anker 3.5mm Premium Auxiliary Audio Cable (4ft / 1.2m) AUX Cable for Headphones, iPods, iPhones, iPads, Home / Car Stereos and More (Black) - Anker

Musical Instruments: Hosa HPE-325C 1/4 inch TRS to 1/4 inch TRS Headphone Extension Cable, 25 feet - Hosa

Speakers: Monoprice 3.5mm Stereo Plug to 6.35mm (1/4 Inch) Stereo Jack Adaptor - Gold Plated - MarginMart, Inc.

Speakers: Sony MDRZX110 ZX Series Stereo Headphones (White) with 3.5mm Mini Plug to 1/4 inch Headphone Adapter & HeroFiber? Ultra Gentle Cleaning Cloth - Sony

The above is "Headphones 1/4, Speakers: Koss UR-20 Home Headphones - Koss" recommended related products, Please click on the picture to see product details and headphones 1/4 reviews!