P/N. 10717560



Amplifier with 4 channel
400 W per channel @ 4 ohms
Class D topology
Bridged/70 V/100 V operation


Professional installation
Commercial Audio
Live events (passive systems)

The IA-1604 amplifier offers 4-channel 400 W @ 4 ohm or 2-channel 800 W @ 100 V amplifier,

The IA-1604 is a 4-channel amplifier that offers 400 W per channel @4 ohms. The amplifiers offer operation in bridge mode or powering 70/100 V lines.

The rear panel incorporates switches for activating a 80 Hz high-pass filter, stereo or line/bridge modes and selection between 70 or 100 V lines. Input and output connections are made by way of Phoenix connectors. The IA-1604 is housed in a rugged 2-unit high steel chassis.
Output Power Ratings
Power 8 Ohms, Both Channels Driven4 x 200 W
Power 8 Ohms Bridged2 x 800 W
Power 4 Ohms, Both Channels Driven4 x 400 W
Power 100 V2 x 800 W
Power 70 V2 x 800 W
Electronics and Connectors
Amplifier Channels4
Output CircuitryClass D
Frequency Response+0 – 0.5 dB
Sensitivity1.38 V (5 dBu)
Voltage gain32 dB
Damping Factor>350, each channel (8 Ω load, 1 kHz and below)
ControlsPower On/Off, Gain Pots
Amplifier ProtectionsShort Circuit, DC Output, Temperature, Over/Under Voltage
LED IndicatorsPower, Protection, Signal, Clip
Audio Signal Loop Thru ConnectorTerminal Block
Current Draw 230 V3.0 A / 6.0 A
Dimensions ( H x W x D )88 x 483 x 208 mm
3,5 x 19,0 x 8,2 in
Net Weight3,8 kg ( 8,2 lb )
Carton Dimensions ( H x W x D )170 x 525 x 315 mm
6,7 x 20,7 x 12,4 in
Shipping Weight4,5 kg ( 9,9 lb )
Title Format Size
Data Sheet
HT_IA1604_00.pdf PDF 155 Kb
User Manual
UM_IA_05_EN.pdf PDF 7.64 Mb