Filter
Top Products
6
Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2. Description . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4. Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5.1 Headphones . . . . . . . . . . . . . . . . . . . . . . 7
5.2 Transmitter . . . . . . . . . . . . . . . . . . . . . . . . 7
6. Operating Notes . . . . . . . . . . . . . . . . . . . . . . 7
6.1 Connecting the Transmitter to AC Power . . . . . 7
6.2 Connecting the Transmitter to Your Audio Source . 7
6.3 Charging the Batteries in the Headphones . . . 7
6.4 Replacing Batteries . . . . . . . . . . . . . . . . . . 8
6.5 Setting Up the System . . . . . . . . . . . . . . . . 8
6.6 POWER ON/CHARGE LED Status . . . . . . . . 8
7. Important Notes . . . . . . . . . . . . . . . . . . . . . . . 8
8. Specifications. . . . . . . . . . . . . . . . . . . . . . . . . 8
9. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 9
10. Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1 Introduction
Dear customer:
Thank you for purchasing an AKG product.
The K 305 AFC/K 405 AFC wireless headphone system is
based on advanced UHF transmission technology.
In order to make optimum use of the benefits of your K 305
AFC/K 405 AFC, please take a few minutes to read the instruc-
tions below carefully before operating the equipment.
Please keep the manual for future reference.
2 Description
The K 305 AFC/K 405 AFC headphone system
• uses state-of-the-art UHF radio transmission technology;
• features an ”Autotuning” function that automatically tunes
the headphones to the transmitter frequency for optimum
reception;
• connects to any audio, video, or TV set with a headphones,
line, or recording output;
• provides perfect sound reproduction, full mobility, and
signal transmission through walls and ceilings over a
distance of up to 330 feet (100 m).
The K 305 AFC/K 405 AFC system is available for two differ-
ent LPD frequency bands: 914 MHz for the US and 864 MHz
for various European countries.
To share your listening enjoyment with other persons, you can
operate your transmitter with several headphones simultaneously.
K 305 AFC/K 405 AFC headphones are available separately.
3 Precautions
1. Operate the headphones with two AAA size 1.2 V
rechargeable (supplied) or 1.5 V dry batteries only.
2. Never try to charge dry batteries using the transmitter’s
charging feature.
3. Before charging the headphones batteries, always make
sure that the batteries in the headphones are rechargeable
types.
4. Dispose of spent dry or rechargeable batteries conforming
to local waste disposal rules. Never throw batteries into
fire.
5. Operate the transmitter with the supplied 12 VDC, 200 mA
AC adapter only. Check that the AC voltage stated on the
AC adapter is the same as that available in your country.
Using the transmitter with a different AC adapter voids the
warranty.
6. Always switch the headphones OFF after use.
7. Never try to open the headphone or transmitter case. Refer
servicing to qualified service personnel only.
8. Never place the equipment near heat sources such as
radiators or electric heaters or expose it to direct sunlight,
excessive dust, humidity, rain, temperatures below freezing,
or impacts.
9. Never use alcohol, petroleum-based cleaners, or paint
thinners to clean the headphones or transmitter.
10. If you do not use your headphones system for an extended
period of time (e.g., when traveling), disconnect the AC
adapter from the AC outlet.
11. Also refer to section 7 Important Notes.