The LETSHUOER DX1 is a single-dynamic-driver IEM: an 11mm driver with an aluminum-magnesium alloy nanoparticle-coated, diamond-pattern diaphragm, a built-in 5kHz notch filter and electroplated stainless-steel shells, sold in a 3.5mm or a 4.4mm cable version. It suits listeners who prefer one full-range driver and want the plug matched to their source.
Who the LETSHUOER DX1 is for
Single-driver fans: One 11mm dynamic driver covers the full range; LETSHUOER says its diamond-pattern topology diaphragm reduces distortion from modal breakup.
Detail-focused listeners: A built-in 5kHz notch filter trims excess energy around 5kHz, which LETSHUOER says reduces distortion and brings out detail.
Balanced-source owners: The 4.4mm version connects balanced to DAPs and dongles with a 4.4mm output, while the 3.5mm version fits standard jacks.
Cable upgraders: The 256-core silver-plated copper cable detaches at standard 0.78mm 2-pin sockets, so it can be swapped later.
Skip it if: you want both plugs on one cable; each DX1 version comes with a fixed 3.5mm or 4.4mm plug, so order the one that matches your source.
LETSHUOER DX1 key specs
Driver: 11mm dynamic, aluminum-magnesium alloy nanoparticle-coated diaphragm with diamond-pattern topology
Plug options: 3.5mm single-ended or 4.4mm balanced (one plug per version)
In the box: Earphones, cable, 9 pairs of ear tips, storage case, user manual
Genuine LETSHUOER stock. Free shipping on every order, 45-day returns.
LETSHUOER DX1 vs similar options
vs LETSHUOER S12 PRO: Uses a 14.8mm planar driver with swappable 2.5/3.5/4.4mm plugs on one cable; pick the DX1 for its 11mm diamond-pattern dynamic driver, 5kHz notch filter and stainless-steel shells.
vs Fosi Audio Carbon12: Uses a 12mm carbon-diaphragm dynamic driver in a TC4 titanium shell with a 3.5mm cable; pick the DX1 for its 5kHz notch filter, 256-core silver-plated cable and 4.4mm balanced version.
256-core silver-plated copper cable (3.5mm or 4.4mm, per version)
9 pairs of ear tips
Storage case
User manual
Good to know
Buying from TonePier
Is this unit genuine?
Yes. Every unit we sell is genuine and brand-new, shipped in its original packaging, and backed by our 1-year TonePier warranty and 45-day returns.
Where does my order ship from, and how long does it take?
Every order ships from our warehouse in China, with full tracking, and most orders ship within 3 business days. Shipping is free on every order; most US orders arrive within 7–15 business days and most orders to other countries within 7–20 business days — see our shipping policy for details.
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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