The Audio-Technica U857QU is a 487mm quick-mount gooseneck condenser microphone featuring the UniLine line cardioid element with a tightly focused 90-degree acceptance angle. Designed to plug directly into a panel or desk-mounted XLRF connector, it is suited to conferencing, installed sound and broadcast applications where precise pickup and rejection of ambient noise are critical.
Length
487 mm
19.2″
Polar Pattern
UniLine Cardioid
90° acceptance angle
Low-Cut Filter
80 Hz
UniSteep filter
Mounting
Quick-mount
XLRF panel connector
Features
✓
UniLine line cardioid element with tightly focused 90° acceptance angle
UniLine line cardioid element with tightly focused 90° acceptance angle
✓
Quick-mount design — plugs directly into panel/desk-mounted XLRF connector
Quick-mount design — plugs directly into panel/desk-mounted XLRF connector
✓
Ultra-flexible, robust gooseneck resists inadvertent repositioning
Ultra-flexible, robust gooseneck resists inadvertent repositioning
✓
UniGuard RFI-shielding for unsurpassed RF immunity
UniGuard RFI-shielding for unsurpassed RF immunity
✓
80 Hz UniSteep low-cut filter reduces low-frequency ambient noise
80 Hz UniSteep low-cut filter reduces low-frequency ambient noise
✓
Accepts interchangeable elements (cardioid, hypercardioid, omnidirectional, UniLine)
Accepts interchangeable elements (cardioid, hypercardioid, omnidirectional, UniLine)
✓
Phantom powered — self-contained electronics, no external power module needed
Phantom powered — self-contained electronics, no external power module needed
Specifications
| Element | Condenser |
| Polar Pattern | UniLine line cardioid (90° acceptance) |
| Low-Cut Filter | 80 Hz UniSteep |
| Power Requirements | 11–52V DC phantom power |
| Mounting | Quick-mount (XLRF panel connector) |
| Interchangeable Elements | Yes — cardioid, hypercardioid, omnidirectional, UniLine |
| Length | 487 mm (19.2″) |











