The ATM350U UniMount® system is meticulously crafted for musicians seeking unparalleled performance and reliability. Specifically designed for use with brass, saxophone, and other instruments, this system features the ATM350a cardioid condenser microphone, renowned for its clear, well-balanced response even at high SPLs. Paired with the AT8491U universal clip-on mount and AT8490 5" gooseneck, this system ensures secure and flexible positioning on the instrument bell, guaranteeing optimal sound capture with minimal visibility.
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Low-profile mic design for minimum visibility

Crisp, clear, well-balanced microphone response, even at high SPLs

Cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source

UniMount® universal clip-on mount attaches securely to instrument bell and provides excellent shock resistance for the microphone

Rugged UniMount® 5″ gooseneck rigidly holds its shape, keeping microphone accurately positioned even during aggressive play

In-line power module equipped with a switchable 80 Hz high-pass filter to control undesired ambient noise

Interchangeable elements available for hypercardioid and omnidirectional polar patterns

Included violin mount with hook-and-loop fastener provides an additional mounting option

Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Cardioid
Frequency Response 40 – 20,000 Hz
Low Frequency Roll Off 80 Hz, 12 dB/octave
Open Circuit Sensitivity –49 dB (3.5 mV) re 1V at 1 Pa
Maximum Input Sound Level 159 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range 130 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 65 dB, 1 kHz at 1 Pa
Phantom Power Requirements 11– 52V DC, 3.5 mA typical
Switches Flat, roll-off
Weight Microphone:
14.5 g (0.5 oz)

Power Module:
90 g (3.2 oz)

Cable 4.0 m (13.1′) long (permanently attached to microphone), 3.2 mm (0.13″) diameter, 2-conductor shielded cable with HIROSE HR10-type connector
Dimensions Microphone:
37.8 mm (1.49”) long,
12.2 mm (0.48”) maximum body diameter

Power Module:
92 mm (3.62″) long,
18.9 mm (0.74″) diameter

Output Connector Power Module:
Integral 3-pin XLRM-type
Accessories Included ATM350a cardioid condenser microphone; AT8543 power module; AT8491U UniMount® universal clip-on mount; AT8490 UniMount® 5″ gooseneck; AT8468 violin mount (hook-and-loop fastener); protective carrying case