Description
Introducing the latest addition to the Hear Technologies family – 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.
Features
- Local control of up to 18 channels of audio (16 mono channels + AUX IN + Intercom IN)
- Simple user interface – no display screens, menus, learning curve, or firmware layers to navigate. Just turn a knob!
- True panning/ channel link functions
- Store up to 4 recallable presets
- Intercom allows communication to anyone with a Hear Back PRO Mixer
- Aux inputs (selectable mic and line)
- Balanced left/right line outputs
- Less than .25msec Latency from analog input to output
- Standard CAT5e/6 cabling delivers power and signals to Mixers
- Intuitive Hub channel LED display
- Modular hub with four user-configurable card slots
- Sample Rate user-selectable from 44.1 kHz to 192 kHz
- Switch selectable input sources from Input A (Slots 1 & 2), Input B (Slots 3 & 4), or HBus
- Gigabit Ethernet fabric, 48v PoE power
- Mountable with optional Mic Stand Adapter or Mixer Tilt Adapter (sold separately)
More info about the Hear Back PRO System
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.
The standard Hub (included in the “4-pack”) comes pre-loaded with one Network Card and two 8-channel Analog Input Cards which can accept input signals from an audio mixer via auxiliary, matrix, monitor, and/or direct outputs.
The Hear Back PRO boasts many key advantages, including:
- 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
PRO Digital Overlay
The PRO Digital Overlay is an ultra-thin faceplate for electronic labeling of a Hear Back PRO Mixer. This attachable upgrade modifies and expands the display of channels and mixer functions through high contrast OLED graphical displays. The Digital Overlay permanently mounts directly onto the PRO Mixer’s face and connects via a ribbon cable into the Mixer’s side expansion slot. The naming functions can be accessed and updated through the iOS app or via a computer, for added flexibility. The PRO Digital Overlay is a time saving and easy to read solution to the standard scribble strip for engineers and end users in studio sessions and live entertainment settings.
ADVANTAGES / FEATURES
- Unobtrusive with a thin, ultra-low profile (less than 3mm thickness)
- Rugged design for stage and touring
- Easy and quick installation
- Supports the use of letters, numbers, and symbols when labeling channels and mixers
- Bright and easily legible OLED screens allow for quick identification and control, even in low light environments
- Mixers and channels can be named and updated remotely with either the Hear Back PRO iOS app or via a computer
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 mW
200 Ohms: 500 mW 650 mW
600 Ohms: 220 mW 250 mW
Inter Modulation Distortion: Typically less than 0.03%
Mixer Line Output
- Frequency 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
- Inter Modulation Distortion: 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
Note: 0 dBu = 0.775 Vrms. Specifications and features subject to change without notice.
System I/O
- 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
Power
- Mixer Power Requirements: Power over Ethernet (PoE) 36-52 volts DC, 15 Watts max provided by Hub through Cat5e network cabling
