The ATM350SL is a cardioid condenser clip-on instrument microphone bundled with the AT8491S UniMount surface mount and AT8490L 9″ gooseneck. Designed primarily for accordion and other challenging mounting applications, it handles extreme SPLs whilst delivering a clear, well-balanced response. The surface mount can be attached permanently via a grille screw or temporarily using the included fastener tape pads.
Element
Condenser
Cardioid
High-Pass Filter
80 Hz
Switchable
Gooseneck
9″
AT8490L
Features
✓
Cardioid condenser element handles extreme SPLs
Cardioid condenser element handles extreme SPLs
✓
AT8491S UniMount surface mount for accordion and similar instruments
AT8491S UniMount surface mount for accordion and similar instruments
✓
Permanent or temporary mounting options (grille screw or fastener tape)
Permanent or temporary mounting options (grille screw or fastener tape)
✓
Transparent protective film included to prevent instrument damage
Transparent protective film included to prevent instrument damage
✓
Switchable 80 Hz high-pass filter on in-line power module
Switchable 80 Hz high-pass filter on in-line power module
✓
AT8490L 9″ gooseneck for precise positioning
AT8490L 9″ gooseneck for precise positioning
✓
Hard-shell zipped carry case included
Hard-shell zipped carry case included
Specifications
| Element | Cardioid condenser |
| High-Pass Filter | 80 Hz (switchable) |
| Included Mount | AT8491S UniMount surface mount |
| Gooseneck | AT8490L (9″) |
| Included Accessories | In-line power module, adhesive silicon pad, fastener tape pads, protective film, hard-shell carry case |











