The Audio-Technica ATM75C Cardioid Condenser Headworn Microphone provides professional-quality vocal pickup in a hands-free format.
The Audio-Technica ATM75C Cardioid Condenser Headworn Microphone is a professional-grade audio solution designed for hands-free vocal capture. This headworn microphone enables clear performance and communication by isolating the primary sound source through its specialized cardioid polar pattern.
The ATM75C features a low-visibility headband that ensures a stable and comfortable fit for the user. It incorporates a pivot-mounted flexible microphone boom that users can position on either the left or right side of the head. This adjustable design allows for precise microphone placement to achieve optimal audio levels and clarity.
Equipped with a cardioid polar pattern, the microphone focuses on the user's voice while minimizing the pickup of unwanted sounds from the sides and rear. This directional characteristic improves the isolation of the desired sound source, making the microphone suitable for environments where background noise rejection is necessary.
The ATM75 series is available in multiple configurations to suit different connectivity needs:
This version includes a 55-inch (1.4 m) permanently attached miniature cable. It is terminated with a screw-down 4-pin connector designed for use with Audio-Technica cH-style body-pack wireless transmitters.
This model features a 55-inch (1.4 m) permanently attached miniature cable terminated with a locking 4-pin connector. It is compatible with Audio-Technica cW-style body-pack wireless transmitters.
This configuration provides a 7.2-foot (2.2 m) permanently attached miniature cable that remains unterminated for custom wiring or specific technical applications.
The Audio-Technica ATM75C Cardioid Condenser Headworn Microphone includes essential accessories for performance management and cable organization:
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 100-13,000 Hz |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave (wired only) |
| Open Circuit Sensitivity | PHANTOM: -51 dB (2.8 mV) re 1V at 1 Pa BATTERY: -53 dB (2.2 mV) re 1V at 1 Pa |
| Maximum Input Sound Level | PHANTOM: 132 dB SPL, 1 kHz at 1% T.H.D. BATTERY: 121 dB SPL, 1 kHz at 1% T.H.D. |
| Dynamic Range | PHANTOM: 96 dB, 1 kHz at Max SPL BATTERY: 85 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 58 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 11-52V DC, 2 mA typical |
| Battery Type | 1.5V AA/UM3 (wired only) |
| Battery Current/Life | 0.4 mA / 2000 hours typical (alkaline) (wired only) |
| Switches | Off, on-flat, on-roll-off (wired only) |
| Weight (Microphone) | 2.1 oz (60 g) |
| Weight (Power Module) | 4.9 oz (139 g) (wired only) |
| Cable | 4.6' (1.4 m) long (permanently attached to microphone), 0.11" (2.8 mm) diameter, 2-conductor shielded cable(termination dependent) |
| Dimensions | Microphone: 20.4 mm (0.80") diameter |
| Power module (wired only) | 84.0 mm (3.31") H x 63.0 mm (2.48") W x 22.0 mm (0.87") D |
| Headset | 120.0 mm (4.72") nominal at widest point, 80.5 mm (3.17") flexible boom |
| Dimensions (Power Module) | 3.31" (84.0 mm) H x 2.48" (63.0 mm) W x 0.87" (22.0 mm) D |
| Dimensions (Headset) | 4.72" (120.0 mm) nominal at widest point, 3.17" (80.5 mm) flexible boom |
| Dimensions (Microphone) | 0.80" (20.4 mm) diameter |
| Output Connector (Power Module) | Integral 3-pin XLRM-type (wired only) |
| Accessories Included | AT8531 power module (wired only); AT8439 clothing clip; AT8139L large windscreen; AT8139S small windscreen |
| Audio-Technica Case Style | M19 |
| Length | 8 In. |
|---|---|
| Width | 1 In. |
| Height | 8.8 In. |
| Weight | 0.16 lbs |
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