64 Audio A12t Custom IEM
64 Audio·Model A12t·64audio-a12t
Photos
Manufacturer product photography — the drawn faceplate above stays true to panel layout; these show the hardware itself.
About the 64 Audio A12t
The 64 Audio A12t is the custom-molded version of the U12t, built to your impressions for the best possible isolation and fit. With twelve drivers per side and 64 Audio's apex tech, it's widely used by major-tour touring acts who need accurate, fatigue-free monitoring night after night.
The A12t is where the IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. side of your rig terminates — literally the last thing in the signal chain before it hits your ears. It's a custom-molded, twelve-driver-per-side in-ear monitor built to impressions taken from your specific ear canals, and it's the flagship of 64 Audio's custom lineup. The role it plays is straightforward: convert whatever your monitor worldThe side-stage domain of the monitor engineer — console, IEM racks, and everything feeding the band’s ears instead of the audience. or personal mix engine is sending into something accurate enough to make real-time mix decisions on, night after night, without listener fatigue eating into your focus by the third song.
Twelve balancedCarries the signal on two wires and cancels whatever noise both pick up — why mic cables can run hundreds of feet hum-free.-armature drivers per side means 64 Audio can cover the frequency range with dedicated low, mid, and high driver groups, which translates to a level of separation and low-end control that a three- or four-driver IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. simply can't match at loud stage volumes. The apex module — 64 Audio's pneumatic vent — bleeds a controlled amount of low-frequency pressure to reduce ear fatigue without wrecking the isolation. In practice, this matters most during long festival days or multi-set theater runs where your ears are taking a beating. The custom shell, built to your impressions, should give you a passive seal in the range of 25 dB of isolation when fitted correctly, which keeps stage bleed from masking your mix.
If you're a touring musician or monitor engineer who lives in IEMsIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. for full shows and needs the monitoring to be a transparent, reliable tool rather than a consumer listening experience, the A12t is a defensible choice at its price. If you're doing occasional fly datesA gig you fly to instead of driving — the whole rig has to shrink into checkable cases and carry-ons., renting backlineThe band’s on-stage instrument gear — amps, drums, keys. What a venue or festival sometimes supplies so you can travel light., or your budget isn't there yet, the universal U12t uses the same driver array and apex tech and lets you use third-party custom tips later. The A12t also makes no sense if you haven't yet dialed in a consistent, trusted signal path upstream — the monitors will only reveal what your mix world gives them.
In the rack
- Get your impressions taken by an audiologist who works regularly with musicians — closed-jaw impressions are the standard, but some engineers prefer slightly open-jaw; confirm with 64 Audio's guidelines before your appointment.
- Build in a two-to-three week break-in period before a critical run of shows — not for the drivers, but for your ears and your mix to recalibrate to how accurate and extended the low end actually is.
- Keep a universal IEMIn-Ear Monitor — earpieces that replace floor wedges, feeding each player their own mix. The reason this whole rack exists. as a backup in your gig bag. If a custom shell cracks mid-tour, no amount of money gets you a replacement before showtime.
- Because the A12t will reveal your entire signal chain, use its first few shows to audit your mix engine output, cable quality, and bodypack settings — problems you were masking with a less resolving monitor will surface quickly.
Twelve-driver custom flagship.
I/O Ports (0)
No ports.
Related gear
Related articles
Guides from our library that cover planning around earphones / iems gear.
What an IEM rig actually is, the components that go into one, and how to plan your first one without overspending or blowing a circuit.
A plain-English plan for bands switching from floor wedges to in-ear monitors — what to buy, what to expect at the first rehearsal, and how to not hate it.
Why sealed IEMs make you feel disconnected from the room — and exactly how to put the audience back into your mix with one or two well-placed mics.
A feedback squeal in a sealed ear can hit 130 dB SPL instantly. Where the limiter goes, what thresholds make sense, and the daily soundcheck habit that verifies it actually catches.