Specifications

SPECIFICATIONS
Type: semi-open, dynamic headphones
Max. sound pressure level: approx. 125 dB SPL
Audio bandwidth: 18 to 24,000 Hz
Carrier frequency: 864 MHz (LPD band)
Max. radiated power: 10 mW ERP (Equivalent Radiated Power)
THD: <1%
Range: approx. 100 m (330 ft.)*
Batteries: 2 x 1.2 V, 600 mAh, NiMh rechargeable, AAA size
Battery life: approx. 20 hours (NiMh rechargeable batteries)
Headphones weight: 320 g (11.3 oz.)
Transmitter weight: 450 g (1 lb.)
Transmitter power supply: 9 V/500mA AC/DC adapter
Connecting cables: 1.5 m (5 ft.) stereo RCA/RCA cable,
1.5 m (5 ft.) stereo RCA/mini jack cable
Stereo adapter: mini to 1/4" jack
Special features: autotuning function ALC (Automatic Level
Control)
* under ideal transmission conditions (free field)
Item number
HEARO 777QUADRA 6000X0807
• Wireless surround system with integrated
Dolby Surround Pro-Logic decoder
• LOGIC7 decoder for up to eight virtual loudspeakers
• AKG IVA processing for natural, spacious sound
• Transmitter with integrated cradle and charger
In addition to the Dolby Surround Pro-Logic decoder, the
new HEARO 777QUADRA features the new LOGIC7 decoder.
The HEARO 777 QUADRA can process signals from any
analog or digital source to provide surround sound from
up to eight virtual loudspeakers. These decoders in con-
junction with IVA processing developed by AKG provide a
natural, extremely spacious headphone sound. You can
select one of four modes: “STEREO” for conventional stereo
reproduction with a powerful sound; “IVA STEREO” for a
natural stereo perspective equivalent to loudspeaker lis-
tening; “PRO-LOGIC + IVA” for authentic surround sound
from five simulated loudspeakers; and “LOGIC7 + IVA” for
3-D sound from up to eight simulated loudspeakers.
UHFSurround
System
HEARO 777 QUADRA
Availability of AKG UHF wireless head-
phones subject to local legislation.
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