Void Acoustics
VOID ACOUSTICS BIAS Q2+ 4-Channel Power Amp with DSP 4 x 1,200 W
VOID ACOUSTICS BIAS Q2+ 4-Channel Power Amp with DSP 4 x 1,200 W
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VOID Acoustics BIAS Q2+ 4-Channel Power Amplifier with DSP
Product Overview
The VOID Acoustics BIAS Q2+ is a high-performance four-channel power amplifier with integrated DSP, designed for demanding professional sound reinforcement and fixed-installation applications. Delivering up to 1,200W per channel at 4 Ohms, the BIAS Q2+ combines powerful amplification, advanced signal processing, and efficient Class-D technology in a compact 1U chassis.
With support for low-impedance loads from 2 Ohms as well as 70V and 100V distributed systems, the BIAS Q2+ provides exceptional flexibility for a wide range of audio installations. Its automatic power-sharing technology optimises amplifier performance when driving asymmetrical loads, while the high-efficiency SRM (Smart Rails Management) system helps reduce power consumption and heat generation.
The integrated DSP provides comprehensive system control including equalisation, crossover configuration, delay, polarity, gain, input trimming, and advanced protection limiters. Compatibility with ArmoníaPlus software and Void speaker presets enables precise system optimisation, making the BIAS Q2+ an ideal amplifier for nightclubs, hotels, restaurants, retail spaces, entertainment venues, and professional sound systems.
Key Features
4-Channel Amplification
Four independently controlled output channels for flexible professional system configurations.
1,200W per Channel
Delivers up to 1,200W per channel at both 4 Ohms and 8 Ohms.
Integrated DSP
Advanced processing with EQ, crossover, delay, gain, polarity and comprehensive limiting.
Class-D with SRM Technology
High-efficiency amplification with Smart Rails Management for optimised power delivery.
Low-Z & 70V / 100V Operation
Supports low-impedance loads from 2 Ohms and high-impedance distributed audio systems.
Automatic Power Sharing
Optimises available amplifier power when channels are driving asymmetrical loads.
Technical Specifications
| Product Type | 4-Channel Power Amplifier with DSP |
|---|---|
| Number of Channels | 4 |
| Amplifier Type | Class-D with SRM Technology |
| Output Power @ 2 Ohm | 1,500W per Channel |
| Output Power @ 4 Ohm | 1,200W per Channel |
| Output Power @ 8 Ohm | 1,200W per Channel |
| Bridged Output @ 4 Ohm | 3,000W |
| Bridged Output @ 8 Ohm | 2,400W |
| 100V Distributed Output | 1,200W per Channel |
| 70V Distributed Output | 1,200W per Channel |
| Output Configuration | 4 Hi-Z or Lo-Z Channels, Bridgeable per Channel Pair |
| Frequency Response | 20Hz - 20kHz ±0.5dB |
| Maximum Input Level | 20dBu |
| Input Impedance | 20k Ohm Balanced |
| Signal-to-Noise Ratio | >110dB(A) |
| THD+N | <0.1% Typical <0.05% |
| Crosstalk | Typical -70dB @ 1kHz |
| Gain Settings | 26dB, 29dB, 32dB, 35dB |
| DSP | Integrated Digital Signal Processing |
| DSP Conversion | 24-Bit @ 48kHz |
| DSP Internal Precision | 32-Bit Floating Point |
| DSP Latency | 2.5ms Fixed Latency Architecture |
| Equalisation | FIR, Parametric IIR, Peaking, Shelving, All-Pass, Band-Pass, Band-Stop, High-Pass, Low-Pass |
| Crossover | FIR, Butterworth, Linkwitz-Riley, Bessel, 6dB/oct - 48dB/oct |
| Limiters | TruePower, RMS Voltage, RMS Current, Peak Limiter |
| Delay | 2s Input + 100ms Output |
| Input Channels | 4 Analog Inputs |
| Digital Networking | AES67 / RJ-45 on DSP+ Variant |
| Control Software | ArmoníaPlus |
| Remote Interface | Ethernet / ArmoníaPlus |
| Power Supply | 90 - 264V AC Universal Mains |
| Power Factor | >0.95 at >500W Output |
| Cooling | Continuously Variable-Speed, Temperature-Controlled Fan |
| Airflow | Front to Rear |
| Operating Temperature | -10°C to 35°C |
| Form Factor | 1U / 19-inch Rack Mount |
| Dimensions (H x W x D) | 44.5 x 483 x 358mm |
| Weight | 7kg |
| IP Rating | IP20 |
Ideal For
- Nightclubs
- Hotels
- Restaurants
- Retail Installations
- Entertainment Venues
- Professional PA Systems
- Distributed Audio Systems
- 70V / 100V Installations
- Low-Impedance Loudspeaker Systems
- Multi-Zone Audio
- Fixed Installations
- Professional Sound Reinforcement
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