Table of contents Table of contents General information..........................5 1.1 Symbols and signal words....................... 5 Safety instructions............................. 7 Features............................... 10 Installation and starting up........................ 11 Connections and operating elements................... 12 Functions..............................14 Technical specifications........................15 Plug and connection assignment....................17 Protecting the environment......................
Our products and documentation are subject to a process of continuous development. They are therefore subject to change. Please refer to the latest version of the documentation, which is ready for download under www.thomann.de. 1.1 Symbols and signal words In this section you will find an overview of the meaning of symbols and signal words that are used in this document.
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General information Signal word Meaning DANGER! This combination of symbol and signal word indicates an immediate dangerous situation that will result in death or serious injury if it is not avoided. WARNING! This combination of symbol and signal word indicates a pos‐ sible dangerous situation that can result in death or serious injury if it is not avoided.
Safety instructions Safety instructions Intended use This device is used to amplify and mix the signals of audio equipment and musical instruments for the output to the connected headphones. Use the device only as described in this user manual. Any other use or use under other operating conditions is considered to be improper and may result in personal injury or property damage.
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Safety instructions WARNING! Possible hearing damage due to high volumes on speakers or headphones! With speakers or headphones connected, the device can produce volume levels that may cause temporary or permanent hearing impairment. Over an extended period of time, even levels that seem to be uncritical can cause hearing damage. Do not operate the device permanently at a high volume level.
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Safety instructions NOTICE! Possible damage due to leaking batteries! Batteries can leak and cause permanent damage to the device. Take the batteries out of the device if it is not going to be used for an extended period of time. NOTICE! Possible staining due to plasticiser in rubber feet! The plasticiser contained in the rubber feet of this product may react with the coating of the floor and cause permanent dark stains...
Features Features Two balanced XLR inputs Much better sound than with wireless systems Ideal for in-ear applications Switching between stereo/mono mode possible Output power 2 × 50 mW Controls for volume and balance Robust aluminium housing with 3/8-inch thread for stand mounting Connection for external power adapter (included in the scope of delivery) Battery operation possible (9 V battery, not included in the scope of delivery) HPA In Ear...
Installation and starting up Installation and starting up Unpack and check carefully there is no transportation damage before using the unit. Keep the equipment packaging. To fully protect the product against vibration, dust and moisture during transportation or storage use the original packaging or your own packaging material suitable for transport or storage, respectively.
Connections and operating elements Connections and operating elements Front ö# & 1 [BATT.CHECK] | Green LED of the battery indicator 2 [BATT.CHECK] | Red LED of the battery indicator 3 [MODE-SWITCH] | Operating mode switch 4 [BALANCE] | Balance for controlling the volume ratio of the left and right input signals. 5 [VOLUME] | Volume control for setting the output level 6 [OUTPUT] | Headphone output (3.5-mm jack socket, stereo) HPA In Ear...
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Connections and operating elements Back 7 [INPUT (R)] | Balanced XLR/jack combo socket for connecting the right input signal. 8 [INPUT (L)] | Balanced XLR/jack combo socket for connecting the left input signal. 9 Battery compartment with cover. 10 [DC 9V] | Connection for the supplied mains adapter 11 [POWER ON | OFF] | Main switch.
Functions Functions Checking battery status The two [BATT.CHECK] indicators show the status of an inserted battery. With a new battery or a newly charged rechargeable battery only the green LED lights. When after a few hours of operation the battery power decreases below about 7.3 V, both indicators (green and red) light up.
Technical specifications Technical specifications Input connections Power supply Socket for 9-V power adapter Audio signal 2 × XLR/6.35 mm jack sockets (balanced) Impedance: 15 kΩ Nom. Input level (balanced): +0 dBV Max. input level (balanced): +4 dBV Input level limit (balanced): +5 dB Output connections Headphones 1 ×...
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Technical specifications Battery 9-V block battery Installation properties Stand mounting, 3/8-inch thread Dimensions (W × H × D) 93 mm × 47 mm × 170 mm Weight 0.45 kg Ambient conditions Temperature range 0 °C…40 °C Relative humidity 20%…80% (non-condensing) HPA In Ear Headphone Amplifier...
Plug and connection assignment Plug and connection assignment Introduction This chapter will help you select the right cables and plugs to connect your valuable equip‐ ment in such a way that a perfect sound experience is ensured. Please note these advices, because especially in ‘Sound & Light’ caution is indicated: Even if a plug fits into the socket, an incorrect connection may result in a destroyed power amp, a short circuit or ‘just’...
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Plug and connection assignment 1/4" TS phone plug (mono, unbalanced) Signal Ground, shielding 1/4" TRS phone plug (mono, bal‐ anced) Signal (in phase, +) Signal (out of phase, –) Ground Three-pole 1/8" mini phone jack (stereo, unbalanced) Signal (left) Signal (right) Ground, shielding HPA In Ear Headphone Amplifier...
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Plug and connection assignment XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) Shielding on plug housing (option) HPA In Ear Headphone Amplifier...
Protecting the environment Protecting the environment Disposal of the packing material Environmentally friendly materials have been chosen for the packaging. These materials can be sent for normal recycling. Ensure that plastic bags, packaging, etc. are disposed of in the proper manner. Do not dispose of these materials with your normal household waste, but make sure that they are collected for recycling.
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Repairing a device or passing it on to another user is an ecologically valuable alternative to disposal. You can return your old device to Thomann GmbH at no charge. Check the current conditions on www.thomann.de. If your old device contains personal data, delete those data before disposing of it.
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