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Hear Technologies Hear Back Pro 4-Pack

Hear Technologies Hear Back Pro 4-Pack
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Hear Back PRO

This is it – the simplest, most affordable digital solution to get everyone the mix they need to perform their best. This new system platform is completely modular and infinitely expandable, which means it has become the last personal monitoring system you’ll ever need.

With this system, there is no learning curve. Whether or not you’ve ever used a personal monitor mixer, the simple layout of this powerful system makes getting the right mix a quick and effortless experience. Based in Gigabit Ethernet, this framework paves the way for an impressive range of future possibilities.

The Hear Back PRO system consists of two main components: the Hub and the Mixer. The modular Hub consists of four card slots, which can be populated with any configuration of input and/or output cards to fit your exact needs. Each Hub has the ability to supply signal and power to as many as 32 Mixers (8 per Network Card), each over a single standard Cat5E/6 cable. And with the built-in HBus In/Out ports, multiple Hubs can be daisy-chained together, allowing for truly unlimited system expansion.

System Standouts

  • Modular I/O Hub card system allows for system customization
  • Large master knob controls overall main mix, AUX, and intercom levels independently
  • Volume and panning control of all channels
  • Direct and immediate visual feedback of all 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
  • 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
  • HBUS In/Out connections allow daisy-chaining Hubs and a wireless access point connection for use with the PRO’s iOS App
  • Side-mounted card slot on Mixer for future expansion
  • 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
  • Hear Back PRO iOS App allows for complete control of all Mixers connected to the network

The Hear Back PRO system is available in a Four Pack as well as offering Mixers and Hubs separately.

  • Hear Back PRO Four Pack, Analog Input
    • (4) PRO Mixers, (1) PRO Hub Frame, (2) Analog cards, (1) Network card, (4) 50’ Cat6 Cables, and (2) Analog DA-88 style cables
  • Hear Back PRO Four Pack, ADAT Input
    • (4) PRO Mixers, (1) PRO Hub Frame, (1) ADAT card, (1) Network card, and (4) 50’ Cat6 Cables
  • Hear Back PRO Four Pack, AES/EBU Input
    • (4) PRO Mixers, (1) PRO Hub Frame, (1) AES/EBU card, (1) Network card, and (4) 50’ Cat6 Cables
  • Hear Back PRO Four Pack, Dante Input
    • (4) PRO Mixers, (1) PRO Hub Frame, (1) Dante card, (1) Network card, and (4) 50’ Cat6 Cables
  • Hear Back PRO Four Pack, Waves Input
    • (4) PRO Mixers, (1) PRO Hub Frame, (1) Waves SoundGrid card, (1) Network card, and (4) 50’ Cat6 Cables
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: Less than 0.25 mSec @ 192 kHz sample rate
System Noise Performance
Noise, A-Weighted: -93 dBu @ 192 kHz sample rate
Dynamic Range: 117 dB typical
System I/O
Hub Line In, 2x Analog Input Cards: 16 Balanced inputs on 2x DB-25 female (DA-88 pinout)
Hub Maximum Input Level, Analog: +18 dBu
Hub HBus In, Out: 8-pin RJ45 jack (standard Ethernet pinout)
Hub USB Port: USB 2.0 (for firmware updates)
Hub Card Slots (4x): Each slot can accept an analog or digital input card, output card, or 8 port Mixer network card
Mixer to Hub Connection: 8-pin RJ45 jack (8x Mixer connections per network card)
Mixer Headphone Out: TRS 1/4” and 1/8” unbalanced stereo
Mixer Line Out: TRS 1/4” balanced (2 connections: left/mono and right)
Mixer Max Output Level, Analog: +24 dBu (mixed output)
Mixer Aux Input: TRS 1/8” unbalanced stereo and XLR balanced mono (with 15 volts phantom power)
Mixer Card Slot: For future digital or analog input/output expansion capabilities or side-car add-on
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 stand (5/8” 27 threads per inch) or desk mounted
Physical, Hub
Size: 1.75” (44.5 mm) H x 19” (483 mm) W x 8.5” (216 mm) D
Unit Weight: 6.3 lb. (2.8 kg)
Mounting: Standard rack mount, 1 RU
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

Note: 0 dBu = 0.775 Vrms. Specifications and features subject to change without notice.

**Hub is capable of powering up to 32 Mixers with an additional power supply.

Control Hear Back PRO Mixers, simply by connecting your PRO Hub to a wireless network!

  • Connect the HBUS IN port (located on the back of your PRO Hub) to a gigabit-speed LAN port of your wireless access point. Launch the app, and watch your mixers populate in the list.
  • Name the Mixers & channels, these will persist between sessions.
  • Group Mixers together, allowing them to control each other, by either:
    • Long-press mixers in the list to drag-and-drop into groups
    • Swipe left on any mixer in the list to reveal additional options (including grouping control)
  • Setup lockouts on knobs, buttons, features, and presets on a per-Mixer basis.
  • Easily update Mixer firmware, wirelessly.
  • Control the brightness of the Mixer's LEDs (useful in darker rooms).

New Features

  • View sampling rate, clock status, input switch selection, and internal Hub temp
  • Monitor all 16 input signal levels
  • Mixer control lockouts for pan, aux, preset, intercom, any or all channels, and master knob
  • Disable advanced features such as grouping, solo-in-place, and copy/paste
  • Write-protect each of the 4 presets
  • Works with iOS ‘Split View’ for running multiple apps side-by-side
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