Description Hear Technologies PROHB4 Hear Back PRO 4-Pack, Analog Input The Hear Technologies PROHB4 Hear Back PRO 4-Pack is a professionally designed personal mixing system that comes offering an independent multi-channel mixing intended for up to four performers in the studio or on stage. It comes including one Hear Back PRO Hub, four 50’ Cat6 cables, four Hear Back PRO Mixers, and two DB25 to 1/4" TRS analog breakout cables. 24-bit A/D and D/A converters are capable to deliver a detailed audio that comes with extended dynamic range and resolution up to 192 kHz. The low system latency of less than 0.25 milliseconds is made to ensure that there will be no monitoring delay. Artists are possible to make their own headphone mixes from up to 16 analog inputs and a mono mic or stereo aux input, blending levels and pans as they please. Each mixer is capable of offering a 3.5mm and 1/4" TRS headphone output for accommodating different headphones. Per-channel input metering on the Hear Back PRO Hub is providing a clear indication of signal presence and peaking status. Each channel is capable of offering a -10 dB pad for minimizing the distortion designed for hot signals. If mixing stations are needed for more than four artists, the system is easily expandable with the use of additional Hear Back PRO Mixers (available separately) and other interface cards. Mix up to 16 channels via Cat6e input and two channels via stereo aux input 3.5mm stereo aux input for click track or mix from other modules XLR 3-pin mic input with 15 VDC phantom power System latency less than 0.25 ms Mono inputs can be linked for stereo operation Two 1/4" balanced line outputs for connection external monitors or other personal mixers Integrated intercom allows communication to anyone with a Hear Back PRO Mixer Store and recall up to four presets for quick mixer configuration Connects to Hear Back PRO Hub (available separately) via Cat6e Specifications Inputs 1 x 1/8" (3.5 mm) TRS stereo mini-jack1 x XLR 3-pin microphone input1 x RJ45 Outputs 2 x 1/4" TRS balanced line outputs1 x 1/4" TRS unbalanced stereo headphone jack1 x 1/8" (3.5 mm) unbalanced stereo headphone mini-jack Phantom Power 15 V for XLR input A/D and D/A Conversion 24-bit Delta-Sigma Maximum Input Level Aux Input: +18 dBu (0 dBu optimal)Mic Input: -30 dBu (-42 dBu optimal) Maximum Output Level +24 dBu Dynamic Range 117 dB typical Noise -93 dBu at 192 kHz sample rate (A-weighted) Impedance Aux Input: 10 kOhms typicalMic Input: 1 kOhm, 150 Hz high-pass filter Frequency Response Line Outputs: 20 Hz to 20 kHz (±0.15 dB) THD + N Line Outputs: 0.004% typical (at 1 kHz, +15 dBu), 0.008% typical (at 20 Hz to 20 kHz, +4 dBu) IMD Line Outputs: 0.02% typical (at +4 dBu, 60 Hz/7 kHz)Headphone Outputs: Crosstalk Line Outputs: Less than -93 dB at 1 kHz Propagation Delay Line Outputs: Headphone Output Power @ 8 Ohms: 1.2 W (THD @ 16 Ohms: 1.6 W (THD @ 25 Ohms: 2 W (THD @ 32 Ohms: 1.8 W (THD @ 50 Ohms: 1.5 W (THD @ 100 Ohms: 1.1 W (THD @ 200 Ohms: 500 mW (THD @ 600 Ohms: 220 mW (THD Maximum Cable Distance Cat6e: 500' / 152.4 m Mounting 5/8"-27 threaded socket Enclosure Material UV-stabilized ABS Dimensions (H x W x D) 9.5 x 6.0 x 2.7" / 241.0 x 152.0 x 68.8 mm Weight 1.6 lb / 0.7 kg
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