Harman Kardon TC300 Owner's Manual page 10

Dedicated full-range bridged
amplifier operation
Any TC Series amplifier can be bridged.
combining two of its channels into a single
channel to provide higher power. The
TC600 or TC300 can be bridged to convert
from stereo operation to higher-power mono
operation. In this configuration, the ampli-
fier provides all its power into a single
channel. The TC304, being a four-. three-,
two-channel amplifier. can be bridged to
combine one or two of its channel pairs into
one or two single mono channels.
Bridged amplifier operation
with electronic crossover
If you install an electronic crossover
between the head unit and the TC Series
amplifier. you have several options for
using TC Series amplifiers in bridged mode,
such as:
Use the TC600 as a dedicated mono
amplifier running parallel subwoofers.
Note:
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Use the TC300 as a dedicated mono
amplifier running a single subwoofer or
other combinations of series/parallel
woofers.
Use the TC304 in one of two ways:
(a) as a dedicated two-channel amplifier
running two single subwoofers.
or
(b) as a stereo high-pass amplifier to two
stereo channels and as a mono low-pass
amplifier to a mono subwoofer channel.
Use the TC304 as a four-channel high-
pass satellite amplifier. and use either a
TC600 or TC300 as a dedicated sub-
woofer amplitler.