Dear Valued Customer, Thank you for choosing Listen! All of us at Listen are dedicated to providing you with the highest quality products available. We take great pride in their outstanding performance because we care that you are completely satisfied. That’s why we independently certify them to the highest quality standards and back them with a limited lifetime guarantee. We stand ready to answer any questions you might have during installation or in the operation of our products.
Specifications 3 Supplementary Information 15 15 16 16 17 Troubleshooting Warranty Contacting Listen Optional Accessories Sensitivity Settings 5 5 6 7 8 9 10 11 12 13 14 Specifications Microphones Sensitivity Settings LA-261 Lavalier Microphone LA-262 Over-the-Head Microphone LA-270 Noise Canceling Microphone LA-272 Over-the-Head Microphone with Earphone LA-274 Hand Held Microphone LA-276 Collar Microphone LA-277 Con
Microphone Specifications Specification LA-261 Specification LA-270 Description Head-worn, noise-canceling condenser microphone, uni-directional. Black. Wind screen included. Frequency Rsponse 20 Hz - 15 KHz Frequency Response 300 Hz - 10 KHz Impedance less than 2.2K Ohms Impedance 1K Ohms DL Bias 3 VDC required DL Bias 3 VDC required Connector 3.5 mm mono Connector 3.5 mm mono Cable Length 36.00 in. (92.0 cm) Cable Length 55.00 in. (1.4 m) Weight 4 oz. (113 g) Weight 2 oz.
Microphone Specifications (cont.) Specifications Specification Specification LA-279 Description Description Head-worn microphone, omni-directional, electronic condenser microphone, tan colored. Frequency Response 150 Hz - 10 KHz Frequency Response 50 Hz - 18 KHz Impedance 2K Ohms Impedance 1,500 Ohms ± 30% (at 1 KHz) DL Bias 3 VDC required DL Bias 3 VDC required Mic Length 4.50 in. (11.5 cm) Connector 3.5 mm mono Connector 3.5 mm mono Cable Length 36.00 in.
Microphones Introduction Your Listen microphone is designed to provide high quality audio when used with a Listen LT-700 Portable FM Display Transmitter. Listen microphones will work with LT-700 units on either 72 MHz or 216 MHz. Your Listen microphone will also work with any product that supplies 3 VDC phantom power and conforms to the diagram below. 3.5 mm jack To achieve the desired audio quality from your Listen microphone, it is important to use it as instructed.
LA LA-261 Lavalier Microphone The LA-261 Lavalier Microphone is a high performance, non-directional microphone that clips on your collar or lapel. element LA-261 The LA-261 has an omni-directional pickup pattern. This means that audio from a broader area can be picked up by the microphone element. The main advantage of this type of microphone is that it does not have to be oriented directly towards your mouth for good audio pickup.
LA-262 Over-the-Head Microphone The LA-262 Over-the-Head Microphone provides high quality audio pickup with its directional boom microphone. LA-262 LA-272 LA-273 element The LA-262 has a uni-directional pickup pattern. This means that the microphone’s element must be oriented towards your mouth. It will not pick up audio element very well from the side of the microphone. The main advantage of this type of microphone is that it helps minimize feedback and picks up less environmental noise.
LA-270 Noise Canceling Microphone element LA-268 The LA-270 Noise Canceling Microphone provides high quality audio pickup with its directional boom microphone. Its noise canceling technology makes it ideal for noisy environments such as factory tours. element element LA-270 LA-276 The LA-270 has a uni-directional pickup pattern. This means that the microphone’s element must be oriented towards your mouth. It will not pick up audio very well from the side of the micrphone.
LA-272 Over-the-Head Microphone with Earphone The LA-272 Over-the-Head Microphone provides high quality audio pickup with its directional boom microphone. It allows you to simultaneously transmit on a LT-700 and receive audio on a Listen portable receiver. LA-262 LA-272 LA-273 element The LA-272 has a uni-directional pickup pattern. This means that the microphone’s element must be oriented towards your mouth. It will not pick up audio very well from the side of the microphone.
LA-274 Hand Held Microphone element element LA-270 The LA-274 Hand Held Microphone provides high quality audio pickup with its non-directional pickup pattern. Its small size makes it easy to use. The unit can be held in the hand, or placed in a stand on a table, as shown below. LA-276 element LA-274 element LA-278 The LA-274 has an omni-directional pickup pattern. This means that audio from a broader area can be picked up by the microphone element.
ent LA-276 Collar Microphone The LA-276 Collar Microphone provides high quality audio pickup with its directional boom microphone. It is ideal for users who don’t want to wear something on their heads or ears. element LA-276 The LA-276 has a uni-directional pickup pattern. This means that the microphone’s element must be oriented towards your mouth. It will not pick up audio very well from the side of the microphone.
LA-277 Conference Microphone The LA-277 Conference Microphone provides high quality audio pickup in all directions. It is designed to be used on a table or other flat surfaces. This is an ideal microphone for multiple users of one transmitter. element LA-277 The LA-277 has an omni-directional pickup pattern. This means that audio from a broader area can be picked up by the microphone element.
LA-278 Behind-the-Head Microphone element LA-268 The LA-278 Behind-the-Head Microphone provides excellent audio quality with its directional capabilities. This microphone fits securely behind the head (below the hairline) and over the ears. This design allows the user to adjust the size to fit on the speakers head comfortably for extended periods of time. element element LA-270 LA-276 The LA-278 has a uni-directional pickup pattern.
element LA-279 Over-the-Ear Microphone- Presentation Style The LA-279 Over-the-Ear Microphone-Presentation Style provides high quality audio pickup with its omni-directional microphone. LA-276 element LA-278 The LA-279 has an omni-directional pickup pattern. This means that audio from a broader area can be picked up by the microphone element. The main advantage of this type of microphone is that it does not have to be oriented directly towards your mouth for good audio pickup.
Troubleshooting Troubleshooting My microphone doesn’t work. Check to make sure your LT-700 transmitter is turned on and that the batteries are charged. Make sure your microphone cable is plugged firmly into the microphone jack on the LT-700. Make sure the LT-700’s MUTE switch is in the correct position. LA-274: make sure the microphone’s ON/OFF switch is in the correct position. My microphone audio sounds distorted or “fuzzy”.
Warranty & Contacting Listen Warranty Listen Technologies Corporation (Listen) warrants its transmitters and receivers (LT-82, LT-700, LT-800, LR-100, LR-42, LR-44, LR-300, LR-400, LR-500, LR-600) to be free from defects in workmanship and material under normal use and conditions for the useful lifetime of the product from date of purchase.
Optional Accessories v Cable Accessories LA-263 Line/Mic Y Input Cable for LT-700 LA-275 Portable Unit Sacrificial Cable LA-280 LT-800 Microphone ¼ in. to 3.5 mm Adapter This cable makes it easy to use a line level source (such as a CD player) along with your microphone. It provides one 3.5 mm male jack, and splits to one RCA phono connector (line input to LT-700) and one 3.5mm female connector (Mic input to LT-700). The cable length of 48 in. (122 cm) serves as an antenna for the LT-700 as well.
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Listen Technologies Corporation 14912 Heritagecrest Way Bluffdale, Utah 84065-4818, U.S.A. +1.801.233.8992 +1.800.330.0891 North America +1.801.233.8995 fax www.listentech.
