QSC DSP-4 Digital Signal Processing Module




-Dual-Independent Channels of DSP -Features 48 kHz / 24-Bit Converters -Electronically Balanced XLR Inputs -Contact Closure to Trigger Gain Changes -Peak, RMS & Clip Meter Displays -Post-DSP Out Signal for Daisy-Chaining
QSC DSP-4 Digital Signal Processing Module With more than three decades of experience pioneering cutting edge audio products, QSC raises the bar once again with the DSP-4 Digital Signal Processing Module. This compact module offers two channels of independent DSP and attaches to the back of most 2-channel DataPort-equipped QSC amplifiers—without occupying any additional rack space. Capitalizing on the success of our DSP-3, the second-generation DSP-4 provides several enhancements in functionality and performance while also incorporating the universally popular XLR balanced connectors. These enhancements include new A/D and D/A converters for improved signal-to-noise performance and upgraded software that significantly increases the unit’s operational characteristics. If you would like to purchase a DSP-4 module, please call our sales department at: 800-854-4079. Powerful Simple to install, compact, and featuring "set-and-forget" convenience, the DSP-4’s powerful processor enables you to perform a wide range of signal processing functions; and with its new A/D and D/A converters, its noise floor improves. Whether you need speaker crossovers, EQ, time delay, or subsonic filters, the DSP-4 is as flexible as your system’s needs. Configurable The DSP-4’s processing horsepower is dynamically assignable so you are not limited by a fixed signal chain. Simply use QSC’s powerful PC-based Signal Manager software to easily configure multiple processing functions and signal flow with “drag-and-drop” tools. Cost-effective The power and flexibility of the DSP-4 eliminates the need for expensive outboard processing gear, reducing cost and installation time for almost any application. The compact DSP-4 also plugs directly into the back of most QSC DataPort-equipped amplifiers for use in systems where rack space is a premium.
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UPC (Universal Product Code) No
MPN (manufacturer part number) DSP-4
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Condition New
Features Hardware Two independent channels of DSP 48kHz, 24-bit converters No turn on pops or zipper noise If the memory or hardware fails, unit turns on muted to prevent driver damage Host interface via RS-232 or QSControl Audio Network System via CM16a Amplifier Network Monitor Electronically balanced XLR inputs Contact closure to trigger preset changes Post-DSP output signal for daisy-chaining Peak and RMS meter displays with clip indication DataPort pass-through compatible with QSControl Selectable input sensitivity: 1.5, 4, 9, 18 Vrms; 6, 14.5, 21.5, 27.5 dBu; 3.5, 12, 19, 25 dBV Output signal gain (to be released) Software "Drag-and-drop" configuration software DSP processing power and memory is dynamically assigned to signal processing functions - eliminating the limitations imposed by fixed signal chain designs Graphical representation of DSP resources Firmware upgrades via RS-232 Hard copy printout of signal flow layout or parameter settings System Requirements Windows® 98, NT4 (SP6), and 2000 (SP1)* SVGA monitor @ 800 x 600 (min.); 1024 x 768 recommended CD-ROM drive 32 MB RAM (min.) 10 MB free hard disk space (min.) Available RS-232 COM port Male-to-female 9-pin serial cable (for programming) * Windows ME not supported
Specs Frequency Response XLR Output: 20Hz to 10kHz ±0.3dB 3dB Below Full Scale Input Voltage:: 20Hz to 20kHz ±0.7dB Distortion <0.02% THD+N @ +4dBu Dynamic Range Unweighted >104dB 20Hz to 20kHz (1.5V sensitivity, unweighted) >106dB 20Hz to 20kHz (all other sensitivities, unweighted) >106dB 20Hz to 20kHz (1.5V sensitivity, A weighted) >108dB 20Hz to 20kHz (all other sensitivities, A weighted) Common-Mode Rejection Minimum: >50dB (20Hz to 20kHz) Typical: >60dB (20Hz to 20kHz) Input Sensitivity (Selectable) 1.5, 4, 9 & 18Vrms 6, 14.5, 21.5 & 27.5dBu 3.5, 12, 19 & 25dBV Output Sensitivity 4Vrms / 6Vrms 14.5dBu / 18dBu 12dBV / 15.5dBV Inter-Channel Crosstalk Within DataPort Pair: >62dB separation (20Hz to 20kHz) Input Connectors Female XLR x 2 (one for each audio channel) Female HD-15 x 1 (DataPort) Female RS-232 x 1 (PC input) Power Jack x 1 (required only for PowerLight, QSC non-DataPort amplifiers, non-QSC amplifiers and using remote rack mounting bracket) Output Connectors Male XLR x 2 (for daisy-chaining each audio channel out) Male HD-15 x 1 (amplifier connection) LED Indicators Front power indicator (blue LED) Front signal indicator (green LED) External Power Requirements 15V DC / 0.4A (Required only for PowerLight, QSC non-DataPort amplifiers, V2 DataPort models (audio only) or non-QSC amplifiers System Requirements Windows 98 / Windows NT4 (SP6) / Windows 2000 (SP1) SVGA monitor at 800 x 600 (minimum) SVGA monitor at 1024 x 768 (recommended) CD-ROM drive 32MB RAM (minimum) 10MB free hard disk space (minimum) Available RS-232 COM port Male to female 9-pin serial cable (for programming) (Windows ME not supported) Construction Steel chassis Steel back cover Dimensions (WxHxD) 3.75 x 3.5 x 1.38" (9.5 x 8.9 x 3.5 cm) Weight 14.9 oz (421.8 g)
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