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INTRODUCTION
Thank you for your purchase of Orion's HP-2800, or HP-4800 power amplifier. Each Orion
amplifier is designed to be the leader in its class offering the most power, advanced fea-
tures, and extreme ease of use. In high-end sound systems or high SPL systems, Orion ampli-
fiers will give you years of trouble-free performance.
● HP-2800 - 125 Watts per channel, two-channel amplifier with dual built-in high-
pass and low-pass 12dB/octave crossover centered at 100Hz and INTELLi-Q, ESP2,
and remote bass. The 2800 is capable of 1 channel operation with a maximum
power of 400 Watts into 4W mono.
● HP-4800 - 65 Watts per channel, four-channel amplifier with dual built-in high-
pass and low-pass 12dB/octave crossover centered at 100Hz and INTELLi-Q, ESP2,
and remote bass. The 4800 is capable of 2 channel operation with a maximum
power of 200 Watts into 4W two channel.
Each of these amplifiers has security and programmable features controlled via a ESP
®
-2
serial databus and Directed's proprietary Bitwriter
®
tool (998T). The Bitwriter
®
unit must
have version 2.3 or above to access the amplifier features menu.
The installation of all Orion components will determine the overall performance result.
Improper installation will not only limit the performance of your Orion system but also
potentially compromise the reliability of this amplifier. To ensure proper sonic results and
component reliability, please refer to your authorized Orion dealer for installation assis-
tance or advice. If you decide to perform the installation yourself, be sure to read the entire
manual before beginning the installation.
What’s in the Box
● (1) amplifier
● (1) spare fuse(s)
● (1) Allen wrench 2.5mm
● (1) Allen wrench 3mm
● (1) hardware kit
● (1) 3’ phono cable
● (1) 15’ ESP cable (amplifier to security system cable)
● (1) Amplifier installation and operation manual
● (1) Window decal
IMPORTANT NOTE
Prior to servicing your vehicle ensure that the alarm system is disarmed. Due to the ampli-
fier’s anti-theft feature (if enabled), if the main power to the amplifier is removed while the
security system is armed the amplifier operation is disabled. To reset the amplifier, refer to
Appendix—Programmable Features.
2
© 2005 Directed Electronics, all rights reserved