Connections & Controls
Rear panel controls for the HPR151i and HPR181i Subwoofers
Use your mouse to point to areas of the image below to see more info about the HPR features
Front LED Switch
This switch can disable the front mounted power LED in cases where this indicator may distract audiences.
Parallel Outputs for Satellite Speakers
Run your signals from your mixer to the subwoofer and then connect up to two satellite speakers.
Built-in Low-cut Filter
When low-frequency roll-off is desired for your satellites, you can connect them to the 100 Hz low-cut outputs.
Gain Control
Gain can be adjusted from -30 dB to 0 dB. There are 21 detents for repeatable adjustments.
Indicator LEDs
The red LIMIT indicator alerts the user to several abnormal conditions within the HPR loudspeaker. Clipping, signal limiting and protect mode.
The green SIGNAL Indicator
lights when a signal is present.
The blue POWER Indicator will light when the AC Power switch is on and the mains power is functioning.
Polarity Selector Switch
The POLARITY selector helps correct problems with the phasing of multiple speakers.
Balanced Line Level XLR Inputs
You can use a single input into either connector or two inputs which are summed into the amp section.
Rear panel controls for the HPR152i and HPR153i
Use your mouse to point to areas of the image below to see more info about the HPR features
Front LED Switch
This switch can disable the front mounted power LED in cases where this indicator may distract audiences.
Indicator LEDs
The red LIMIT indicator alerts the user to several abnormal conditions within the HPR loudspeaker. Clipping, signal limiting and protect mode.
The green SIGNAL Indicator lights when a signal is present.
The blue POWER Indicator will light when the AC Power switch is on and the mains power is functioning.
Gain Control
Gain can be adjusted from -30 dB to 0 dB. There are 21 detents for repeatable adjustments.
Balanced Line Level XLR Input
Connect your input straight from the mixer or daisy-chain inputs from another HPR speaker
Parallel Output
You can use this output to chain multiple speakers without having to go all the way back to the mixer.
100 Hz Low-Cut Filter
You can use the low frequency roll-off with any subwoofer making the HPR152i and HPR153i even more flexible
Rear panel controls for the HPR122i
(The only difference between the HPR122i and HPR152i/HPR153i controls is the labeling of the 100Hz low-cut filter to simplify switching between monitor and full-range modes.)
Use your mouse to point to areas of the image below to see more info about the HPR features
Front LED Switch
This switch can disable the front mounted power LED in cases where this indicator may distract audiences.
Indicator LEDs
The red LIMIT indicator alerts the user to several abnormal conditions within the HPR loudspeaker. Clipping, signal limiting and protect mode.
The green SIGNAL Indicator lights when a signal is present.
The blue POWER Indicator will light when the AC Power switch is on and the mains power is functioning.
Gain Control
Gain can be adjusted from -30 dB to 0 dB. There are 21 detents for repeatable adjustments.
Balanced Line Level XLR Input
Connect your input straight from the mixer or daisy-chain inputs from another HPR speaker
Parallel Output
You can use this output to chain multiple speakers without having to go all the way back to the mixer.
100 Hz Low-Cut Filter
The low-cut filter allows you to switch the HPR122i between full-range P.A. use and top/subwoofer mode or monitor duty.
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