Robust Blaze by Sonance PowerZone Connect 4008 – 4000W 8-Channel DSP Amplifier for Multi-Zone Commercial Systems
The Blaze by Sonance PowerZone Connect 4008 is a 4000W DSP-enabled Class-D amplifier delivering eight high-current output channels from a full-rack 2RU chassis. Sitting between the 1U 8-channel models and the flagship 6008, it doubles the per-channel power of the 1008 while adding 2Ω drive capability and bridgeable outputs — giving integrators a serious eight-zone amplifier that handles both distributed background audio and higher-output foreground zones within the same unit.
Powered by Pascal UMAC™ Class-D technology with the full PowerZone™ Control web app built in, the PowerZone Connect 4008 provides hybrid Lo-Z/Hi-Z operation, automatic power-sharing, and comprehensive full-matrix DSP across all eight channels. For integrators across Africa working on mid-to-large commercial projects — hotels, retail complexes, fitness centres, houses of worship, and multi-use entertainment venues — the 4008 hits the practical middle ground in the 2U 8-channel lineup: enough power for demanding zones without stepping up to the 6008’s higher price and consumption when the project does not call for it.
Design and Construction of the Blaze by Sonance PowerZone Connect 4008
The PowerZone Connect 4008 occupies the same full-width 2RU chassis used across the entire 2U series. The form factor provides the thermal headroom and power supply capacity needed to sustain 4000W of continuous output across eight channels into demanding loads, while fitting neatly into standard 19″ equipment racks alongside the 4-channel 2004 and 3004 models.
The output stage is built on Pascal’s UMAC™ Class-D platform — a full-bandwidth PWM modulator engineered for ultra-low distortion. Like all 2U models, the 4008 supports loads down to 2Ω in single-ended mode and offers bridge-tied load (BTL) operation for doubling voltage swing into higher-impedance loads. The UREC™ universal mains switch-mode power supply features Power Factor Correction (PFC) and an integral standby converter, accepting 100–240V AC at 50–60 Hz for worldwide deployment without external adapters.
Comprehensive protection circuits guard against short circuit, DC fault, under-voltage, thermal runaway, and overload conditions. The unit is UL listed, ErP and Energy Star compliant, and includes an integrated wireless access point (WAP) for cable-free commissioning via Wi-Fi. All of this is backed by Blaze’s standard five-year warranty.
Performance and Applications for the PowerZone Connect 4008
In single-ended Lo-Z mode, each of the eight channels delivers 500W into 2Ω or 4Ω loads and 250W at 8Ω. That gives you eight independently addressable zones, each with enough power for full-range loudspeaker cabinets, surface-mount boxes, or column speakers at foreground music levels. Bridge the outputs into four pairs and each delivers 1000W into 4Ω or 8Ω — serious power for driving subwoofers, high-output cabinets, or large column arrays.
In Hi-Z mode, four bridged channels each deliver 1000W at both 70V and 100V. Four independent constant-voltage lines at a kilowatt each covers a significant distributed speaker network — multiple building wings, hotel floors, retail concourses, or campus zones — from a single amplifier. Automatic power-sharing redistributes up to 1000W proportionally across each pair of Lo-Z output channels, balancing zones with different loading without manual intervention.
The built-in PowerZone™ Control web app delivers the same full-matrix DSP as every other PowerZone Connect model: multizone routing, input mixing, priority and ducking for paging, restriction, parametric EQ on inputs and outputs, high-pass filtering, speaker presets, delay, sine generator, and Wall-S1 controller configuration. Access it from any browser via the built-in Wi-Fi or the RJ45 network port.
Audio performance is consistent with the 2U family: signal-to-noise ratio exceeds 106 dB (A-weighted), THD+N stays below 0.05%, and frequency response holds within +0/−0.25 dB across 20 Hz – 20 kHz into an 8Ω load. Typical applications include hotels with multi-floor audio, medium-to-large retail complexes, fitness and wellness centres with varied zone requirements, mid-size houses of worship, conference centres, entertainment venues, and multi-building campuses requiring eight independently controlled audio zones from a single amplifier.
Specifications – Blaze by Sonance PowerZone Connect 4008
- Total System Power: 4000W
- Output Channels: 8 (SE Lo-Z) / 4 (BTL Lo-Z or Hi-Z)
- Output Power @ 2Ω (SE): 8 × 500W
- Output Power @ 4Ω (SE): 8 × 500W
- Output Power @ 8Ω (SE): 8 × 250W
- Output Power @ 4Ω (BTL): 4 × 1000W
- Output Power @ 8Ω (BTL): 4 × 1000W
- Output Power @ 70V (BTL): 4 × 1000W
- Output Power @ 100V (BTL): 4 × 1000W
- Amplifier Topology: Pascal UMAC™ Class-D, full-bandwidth PWM modulator
- Signal-to-Noise Ratio: > 106 dB (A-weighted, 20 Hz – 20 kHz, 8Ω load)
- THD+N (typical): < 0.05% (20 Hz – 20 kHz, 8Ω, 3 dB below rated power)
- Frequency Response: 20 Hz – 20 kHz (+0/−0.25 dB, 8Ω, 3 dB below rated power)
- Standby Consumption: < 0.5W (ErP & Energy Star compliant)
- Power Supply: UREC™ universal mains SMPS with PFC
- Operating Voltage: 100–240V AC, 50–60 Hz
- Operating Temperature: 0–40°C
Connectivity and Control
- Analogue Inputs: 4 × analogue inputs
- Digital Audio: 1 × stereo S/PDIF input/output
- Network: RJ45 Ethernet port + built-in Wi-Fi / WAP (for PowerZone™ Control web app)
- GPIO: Configurable general-purpose input/output
- DSP Control: PowerZone™ Control web app (built-in) — full-matrix routing, multizone, input mixing, priority/ducking, restriction, parametric EQ, HPF, speaker presets, delay, sine generator, Wall-S1 configuration
Protection and Safety
- Protection Circuits: Short circuit, DC fault, under-voltage, thermal, overload
- Safety Certifications: UL listed audio equipment
- Energy Compliance: ErP 1275/2008/EC and Energy Star
- Warranty: 5 years
Physical Dimensions and Mounting
- Form Factor: Full-rack width, 2RU height
- Mounting: Standard 19″ rack mount
Conclusion
The Blaze by Sonance PowerZone Connect 4008 occupies the practical sweet spot in the 2U 8-channel range. With 4000W across eight channels, 2Ω drive capability, bridgeable outputs reaching 1000W, and the full PowerZone™ Control DSP suite, it delivers the channel count and power depth that mid-to-large commercial installations demand — without jumping to the 6008’s higher output and cost when the venue does not require it.
For integrators across Africa, the 4008 is the smart choice when your project needs eight high-power zones from a single amplifier at a balanced price point. It shares the same 2U chassis, DSP platform, and five-year warranty as the rest of the series, making it easy to mix with 6008, 3004, 2004, or 1U models in the same rack without workflow changes. Pair it with Blaze Ci, CBL, or CCA Series loudspeakers — or any compatible 2Ω–16Ω and 70V/100V speakers — to build a high-output, multi-zone audio system that scales cleanly with your client’s venue.
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About Blaze by Sonance.
Blaze by Sonance (formerly Blaze Audio) was founded in Copenhagen, Denmark in 2020 as a brand of Pascal A/S, a global leader in professional amplifier electronics. Acquired by Sonance in May 2025, Blaze brings Danish precision engineering and a focused product lineup of high-performance amplifiers and sound reinforcement loudspeakers to the installed sound market.
