Sennheiser SC630Wired single-sided wired headset telephone accessory
- Headset
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Connects one US RJ11 line to two devices using a 13 cm beige adapter cable, supplied as a pair
This beige adapter cable converts a single US RJ11 6P4C male jack into two female ports, letting two analogue devices share one wall socket. Each unit measures 13 cm end-to-end and weighs 22 g, keeping the run short for desk or wall-mounted phones. The pack contains two identical splitters for multi-room setups.
Swapping a fixed dual outlet for this plug-in coupler avoids drilling and rewiring when adding a second handset, fax or modem. The 13 cm pigtail relieves strain on the wall port, making the swap worthwhile whenever the existing socket is recessed or furniture sits close to the wall.
The 6P4C pinout matches common residential and small-office lines, so the adapter works with existing cords without re-termination. Its compact 2.8 × 2.7 × 2.1 cm body sits flush against baseboards, freeing space behind desks or nightstands. Two units in the pack let you split two separate lines or daisy-chain locations.
Measured against everything we stock in Headsets, Cords & Phone Mounts, at today’s prices. Recalculated every night.
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| Brand name | Unique Bargains |
| Product type | Telephony Accessories |
The cable is 13 cm long, about 5 inches, so it only suits very short runs between the wall jack and a nearby device.
Insert the RJ11 6P4C male plug into the wall jack, then push each phone or modem cord into the two female ports until they click.
The adapters are passive couplers with no electronics; they require no maintenance and only need replacement if the plastic housing or contacts become physically damaged.
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