Hear Technologies PROHBM Hear Back PRO Personal Monitor Mixer

Assign each knob of a PRO Mixer to any mono channel, stereo pair of channels, or even a submix of up to 16 channels with the V6 update. Configure each Mixer differently and add up to 128 input channels to the system using additional Input Cards and Hubs (32 channels of inputs per Hub).

Key Features

• Local control of up to 18 channels of audio (16 mono channels + AUX IN + Intercom IN)
• Volume/panning/stereo link control of all audio channels
• Remote control all settings from iOS App or another Mixer
• Receive power and audio over one Ethernet cable, up to 500' from Hub to each Mixer
• 24-bit Delta-Sigma D/A and A/D converters
• Store up to 4 recallable presets
• Intercom allows communication to anyone with a Hear Back PRO Mixer (up to 4 people at a time)
• 1/8' and 1/4' headphone outputs with 2.2 Watts of power per channel
• Balanced mono/stereo, line level outputs
• Microphone input for crowd / ambiance mic or intercom use
• Drum module / metronome or local mix input
• Built-in 5/8” threaded socket to mount Mixer to any standard mic or desk stand
• Selectable 1/8” TRS stereo unbalanced and XLR mono balanced (with 15V phantom power)

Technical Specifications

Mixer Aux Input
Line Input Configuration/Impedance
1/8” Stereo, unbalanced, 10K ohms typical
Line Input Level
0 dBu optimal, +18 dBu max
Mic Input Configuration/Impedance
XLR Mono, balanced, 150 ohms typical, 150 Hz high pass
Mic Input Level
-42 dBu optimal, -30 dBu max
Mixer Headphone Power
Load Impedance
THD less than 0.01%*
THD less than 0.1%
8 Ohms
1.2 W*
1.5 W
*THD AT 8 Ohms = 0.015% typical
16 Ohms
1.6 W
1.8 W
25 Ohms
2.0 W
2.2 W
32 Ohms
1.8 W
2.0 W
50 Ohms
1.5 W
1.6 W
100 Ohms
1.1 W
1.2 W
200 Ohms
500 mW
650 mW
600 Ohms
220 mW
250 mW
IMD
Typically, less than 0.03%
Mixer Line Output
Freq Response
20 Hz to 20 KHz, +/-0.15 dB
THD+N
0.004% typical at 1 kHz, +15 dBu
0.008% typical, 20 Hz - 20 kHz, +4 dBu
IMD
0.02% typical at +4 dBu, 60 Hz / 7 kHz
Crosstalk
Less than -93 dB @ 1 kHz
Propagation Delay
Analog Input to Analog Output
0.248 mSec @ 192 kHz sample rate
Digital Input to Analog Output
0.092 mSec @ 192 kHz sample rate
Digital Input to Digital Output
0.0452 mSec @ 192 kHz sample rate
Audio over Ethernet Protocol (HBUS)
0.000592 mSec
Physical, Mixer
Size
9.5” (241 mm) H x 5.95” (152 mm) W x 2.71” (68.8 mm) D
Unit Weight
1.6 lb. (0.72 kg)
Mounting
Standard mic stands (5/8” 27 threads per inch) or desk mounted
Power
Hub Power Requirements
48VDC, 150 Watts (each external power supply powers up to 16 Mixers) **
Mixer Power Requirements
Power over Ethernet (PoE) 36-52 volts DC, 15 Watts max provided by Hub through Cat5e/6 network cabling
External Power Supply Requirements
Input Voltage
90VAC to 264VAC 50/60 Hz