The FiiO IMP XLR-4 is an impedance adapter that connects headphones terminated in 4.4mm balanced to amplifiers with a 4-pin XLR output. It bridges the two most common balanced standards, so one headphone cable can serve both portable and desktop rigs.
It's a practical buy for anyone running a desktop amp with XLR out alongside a 4.4mm portable source — no re-cabling, no second cable purchase. As a FiiO accessory, it's designed to match the rest of the brand's ecosystem.
Adapts 4.4mm balanced headphones to 4-pin XLR amplifier outputs
Lets one cable work across portable and desktop setups
Compact FiiO-built accessory
Priced under $40
TonePier is an authorized FiiO retailer stocking brand-new units. Your order ships free within the US, and our 45-day return policy covers you if it doesn't match your gear.
FAQ
Will this work with my existing 4.4mm balanced headphone cable?
Yes — that is exactly its job. It takes a headphone cable terminated in 4.4mm balanced and adapts it to a 4-pin XLR output on desktop amplifiers, so one cable serves both your portable source and your desktop rig with no re-cabling or second cable purchase.
Does it change the sound or add resistance?
It is a passive adapter bridging the two most common balanced standards, so it simply passes the balanced signal from 4-pin XLR to 4.4mm. Expect no meaningful change to your headphone's sound — it exists for connector compatibility, not signal processing.
Does it come with warranty?
Yes. We sell brand-new authorized FiiO stock with full manufacturer warranty, 45-day returns, and free US shipping.
Yes. TonePier is an authorized retailer — every unit comes from the brand or its official distributor, carries a valid serial number and is covered by the full manufacturer warranty.
How long does shipping take?
SKUs stocked in our US warehouse ship within 1–2 business days. Items shipped direct from our China hub typically arrive in 8–15 days with full tracking. The product page tells you which applies before you order.
What if it isn't for me?
You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.
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