Hear Technologies Hear Back PRO Four Pack, AES/EBU Input

• Side-mounted card slot on Mixer for future expansion
• Large master knob controls overall main mix, AUX, and intercom levels independently
• Volume and panning control of all 16 channels
• Direct and immediate visual feedback of all 16 channels
• Up to 8 pairs of stereo-linked channels
• Support for sampling rates up to 192 kHz
• Selectable XLR or 1/8” Mixer AUX input
• Built-in intercom broadcasts the AUX source (mic, MP3 player, click, etc.)
• Intercom auto adjusts its own level so even the quietest message never goes unheard
• Modular I/O Hub card system lets you customize the system to match your configuration, and can adapt to your needs
• Supports secondary power supply to provide redundancy and power to up to 32 Mixers
• USB port on Hub makes updating firmware for future features and upgrades a simple drag-and-drop operation
• Status indicating logos on Hub and Mixers make it easy to detect and diagnose problems, should they arise
• Write session info and channel settings on storable Mixer overlays for an unlimited number of presets
• Instantly store and recall presets from memory with the push of a button
• Most recent configuration is saved, even after power-down

• Local control of up to 18 channels of audio (16 mono channels + AUX IN + Intercom IN)
• 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
• Volume/panning/stereo link control of all 16 channels of audio
• Store up to 4 recallable presets
• Intercom allows communication to anyone with a Hear Back PRO Mixer
• Selectable 1/8” TRS stereo unbalanced and XLR mono balanced (with 15V phantom power) AUX inputs:
  • – Microphone input for crowd / ambiance mic or intercom use
  • – Drum module / metronome or local mix input
• 1/8” and 1/4” headphone jacks
• Balanced mono/stereo, line level outputs

• Three switch selectable 16-channel input sources:
  • – Input A (Slots 1 & 2)
  • – Input B (Slots 3 & 4)
  • – HBus
• 24-bit Delta-Sigma A/D converters
• Six user-selectable sample rates, indicated by LEDs: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, and 192 kHz
• Less than .25 milliseconds total system delay (latency) from analog input to output
• 16 RGB LEDs intuitively display signal / peak levels for channel metering
• Standard CAT5e/6 cabling delivers power and signals to Mixers
• Daisy-chain via HBus for very large systems
• 1 RU chassis
• Modular I/O card-slot configurable mainframe
• Gigabit Ethernet network fabric
• 48V Power Over Ethernet supply

• Tascam DA-88-style pin-out on a DB25 connector for inputting or outputting 16 channels of digital audio
• Jumper settings allow the user to choose whether the card is 16 inputs or 16 outputs
• Supports and automatically locks onto sampling rates of 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, and 192kHz
• DB25 to (8) XLR (each AES/EBU XLR connector supports 2 channels of digital audio) break-out cable is sold separately, unless the AES/EBU card is purchased as part of the Hear Back PRO Four Pack
• (2) cards can be populated per Hub to allow A/B input switching between (2) banks of 16 channels
• Up to (4) cards can be populated to allow A/B input switching as well as dedicated AES/EBU outputs