The Audio-Technica AT645L Headphone Extension Cable adds 3 metres to any headphone with a 3.5mm plug — ideal for home listening, TV, PC or studio desks. Genuine Audio-Technica, supplied brand new in bulk packaging (cable only).
- ✓ 3m extension for any headphone with a 3.5mm plug
- ✓ L-shaped 3.5mm plug at the source end, 3.5mm socket at the other
- ✓ Genuine Audio-Technica cable — not a generic copy
- ✓ Brand new — bulk packaging (cable only, no retail box)
Headphone cables are often too short for the way you actually listen — across the room from a TV, from a PC tower under the desk, or from a hi-fi amplifier. The Audio-Technica AT645L solves that without replacing your headphone cable: plug your headphones into the 3.5mm socket at one end and the L-shaped 3.5mm plug into your source at the other, and you gain an extra 3 metres.
The L-shaped plug sits flat against laptops, phones and amplifier panels, reducing strain on the socket. It is a standard stereo cable, so it is ideal for music and TV listening; headset microphones and in-line remotes that need a 4-pole connection are not passed through. This unit is brand new and unused, supplied in bulk packaging — the cable only, without the original Audio-Technica retail pack.
Length
Extra 3 Metres
Gives you room to move — sit back from the TV or monitor, or reach a PC or amplifier under the desk without stretching your headphone cable.
Plug
L-Shaped 3.5mm
The angled plug sits flat against the source, putting less strain on the socket than a straight plug.
Fit
Any 3.5mm Headphone
Works with any headphone or earphone that has a standard 3.5mm stereo plug, including Audio-Technica, Sony, Sennheiser and more.
Right choice if you…
✔ Need more reach from a TV, PC or amplifier
✔ Want to keep your original headphone cable
✔ Use a headphone with a 3.5mm plug
✔ Want a genuine Audio-Technica cable
✔ Are happy with bulk packaging to save money
Consider something else if…
✖ You need a replacement cable for a Sony Z-series headphone — see Sony MDR-Z1R Original Cable – 3.5mm
✖ You want a balanced upgrade cable — see Sony MDR-Z7M2 4.4mm Balanced Cable
✖ You need a headset mic to work through the cable — see our headphone cable range
Technical Specifications
| Brand | Audio-Technica |
| Model | AT645L/3.0 |
| Type | Headphone extension cable |
| Length | 3m |
| Connector A | 3.5mm stereo mini plug (male), L-shaped |
| Connector B | 3.5mm stereo mini socket (female) |
| Use | Extends any headphone with a 3.5mm plug |
| Balanced | No — standard stereo |
| Remote / Mic | Not supported (3-pole stereo) |
| Origin | Genuine Audio-Technica |
| Packaging | Bulk (cable only) |
| Condition | Brand New — Bulk Packaging (no retail box) |
| Warranty | Manufacturer warranty |
In the Box
Frequently Asked Questions
How long is the AT645L?
3 metres. It goes between your headphone plug and your source, adding 3m of reach.
What connectors does it have?
An L-shaped 3.5mm stereo mini plug at the source end and a 3.5mm stereo mini socket for your headphone plug at the other.
Will my headset microphone work through it?
No. It is a standard 3-pole stereo cable for listening. Microphones and in-line remotes that need a 4-pole connection are not passed through.
Is it genuine Audio-Technica?
Yes. It is a genuine Audio-Technica AT645L, brand new and unused, supplied in bulk packaging without the retail pack.
Can I use it with a 6.3mm amplifier socket?
Yes, with a standard 3.5mm-to-6.3mm adapter plugged into the amplifier.
Condition
Brand New — Bulk Packaging
Warranty
Manufacturer warranty
Delivery
4–5 Working Days · Fully Tracked
Also Available at maibo
Browse the full headphone cable range at maibo.


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