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Summary of Contents for Polsen US-OB-55
- Page 1 US-OB-55 OMNIDIRECTIONAL USB BOUNDARY MICROPHONE WITH VOLUME CONTROL AND HEADPHONE OUTPUT PRODUCT MANUAL...
- Page 2 T H A N K Y O U F O R C H O O S I N G P O L S E N . The Polsen US-OB-55 Omnidirectional USB Boundary Microphone plugs into to your computer’s USB port...
- Page 3 P R E C A U T I O N S • Please read and follow these instructions, and keep this manual in a safe place. • Keep this product away from water and any flammable gases or liquids. • Do not attempt to disassemble or repair this product.
- Page 4 O V E R V I E W Headphone Volume knob output Adjusts the audio Attach headphones output volume and or earphones with the microphone gain. a 3.5 mm plug. Audio Output mute Microphone button mute button USB Type-C™ connector Use the included USB cable to connect the...
- Page 5 USB port on your computer. The mute buttons will light up to indicate the microphone is receiving power. Sound Settings Open your computer’s sound settings (Windows) or sound preferences (Mac), and select the US-OB-55 as the input device.
- Page 6 Using Headphones If you want to listen to the incoming audio with headphones, plug the headphones into the US-OB-55’s headphone jack. Open your computer’s sound settings/preferences, and select the US-OB-55 as the output device.
- Page 7 Microphone Mute Button When the LED indicator is blue, the microphone is active. Tap the button to mute the microphone. The LED will turn red. Tap the button again to unmute the microphone. Audio Output Mute Button When the LED indicator is blue, the audio from the headphone output is on.
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Page 8: Microphone Placement
Microphone Placement The US-OB-55 features an omnidirectional polar pattern that uniformly picks up sound 360 degrees around the microphone. If several people are using the microphone, set it in the center of the table, and it will pick up all participants seated around it. - Page 9 O M N I D I R E C T I O N A L P O L A R P A T T E R N 0° 270° 90° 180°...
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Page 10: Troubleshooting
If it’s red, tap the mute button to unmute the microphone. • Go to your computer’s system settings/preferences, and select the US-OB-55 as the input device. • Make sure that both USB connectors on There’s no sound in my headphones. - Page 11 S P E C I F I C A T I O N S Transducer Condenser Polar pattern Omnidirectional Frequency response 20 Hz to 20 kHz Sample rate 24-bit, 48 kHz(DAC) Sensitivity -40 dB Operating voltage 5 V Power requirements 5 V, 500 mA (USB) Signal to noise ratio ≥73 dB Maximum SPL 120 dB (THD: 0.5% 1 kHz) THD 0.5% @1 kHz...
- Page 12 O N E - Y E A R L I M I T E D W A R R A N T Y This Polsen product is warranted to the original purchaser to be free from defects in materials and workmanship under normal consumer use for a period of one (1) year from the original purchase date or thirty (30) days after replacement, whichever occurs later.
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