Formidable Blaze by Sonance PowerZone Connect 1502 – 1500W 2-Channel DSP Amplifier for High-Output Dual-Zone Installations
The Blaze by Sonance PowerZone Connect 1502 is a 1500W DSP-enabled Class-D amplifier that concentrates serious output power into two channels within a full-rack 2RU chassis. With 750W per channel in Lo-Z mode and a bridgeable 1500W single channel in BTL, it delivers the same per-channel headroom as the 4-channel 3004 — but focused on two high-power zones or a single massive distributed speaker line. When your project needs raw amplification muscle rather than a high channel count, the 1502 is the tool for the job.
Powered by Pascal UMAC™ Class-D technology with the full PowerZone™ Control web app built in, the PowerZone Connect 1502 provides hybrid Lo-Z/Hi-Z operation down to 2Ω, automatic power-sharing, and comprehensive full-matrix DSP. For integrators across Africa working on dedicated subwoofer channels, high-output foreground music zones, large-format PA feeds, or long-run 70V/100V distributed lines requiring a kilowatt or more, the 1502 puts that power into just two channels at a lower price point than the four- and eight-channel models.
Design and Construction of the Blaze by Sonance PowerZone Connect 1502
The PowerZone Connect 1502 uses the same full-width 2RU chassis as the rest of the 2U series — 88 × 440 × 332 mm (3.5″ × 17.3″ × 13.1″). Despite delivering only two output channels, the 2U form factor provides the thermal headroom and power supply capacity needed to sustain 750W per channel continuously into demanding low-impedance loads.
The output stage runs on Pascal’s UMAC™ Class-D platform — a full-bandwidth PWM modulator engineered for ultra-low distortion. Like all 2U models, the 1502 supports loads down to 2Ω in single-ended mode and offers bridge-tied load (BTL) operation that combines both channels into a single output for doubled voltage swing and maximum power delivery. 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.
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 1502
In single-ended Lo-Z mode, each of the two channels delivers 750W into 2Ω or 4Ω loads. That is the same per-channel figure as the 3004 — enough to drive high-output full-range cabinets, large column arrays, or dedicated subwoofer enclosures at levels suitable for foreground music, live speech reinforcement, or performance sound in mid-to-large venues.
Bridge the two channels into a single BTL output and the 1502 delivers 1500W into 4Ω or 8Ω. In Hi-Z mode, that same bridged output pushes 1500W into a 70V or 100V distributed speaker line — a substantial amount of power for driving extensive constant-voltage networks across large venues, multiple building floors, or campus-wide paging infrastructure.
The built-in PowerZone™ Control web app provides 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, Wall-S1 controller configuration, and Master/Slave S/PDIF linking for cascading multiple amplifiers. 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 dedicated subwoofer amplification for large venues, high-output stereo foreground music zones, single-zone high-power distributed audio lines in shopping malls and airports, PA feeds for auditoriums and performance spaces, and any installation where two channels of 750W — or one channel of 1500W — is the precise requirement.
Specifications – Blaze by Sonance PowerZone Connect 1502
- Total System Power: 1500W
- Output Channels: 2 (SE Lo-Z) / 1 (BTL Lo-Z or Hi-Z)
- Output Power @ 2Ω (SE): 2 × 750W
- Output Power @ 4Ω (SE): 2 × 750W
- Output Power @ 4Ω (BTL): 1 × 1500W
- Output Power @ 8Ω (BTL): 1 × 1500W
- Output Power Hi-Z (BTL): 1 × 1500W (70V/100V)
- 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 (RCA/Euroblock)
- 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 (Euroblock connector)
- S/PDIF Link: Master/Slave cascading between multiple amplifiers
- 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
- Dimensions (H × W × D): 88 × 440 × 332 mm (3.5″ × 17.3″ × 13.1″)
- Mounting: Standard 19″ rack mount
Conclusion
The Blaze by Sonance PowerZone Connect 1502 concentrates the 2U series’ highest per-channel power into a focused two-channel format. With 750W per channel in Lo-Z, 2Ω drive capability, and a bridgeable 1500W single output for BTL or Hi-Z operation, it is purpose-built for installations that need maximum output from the fewest channels — dedicated subwoofer drives, high-power stereo zones, or single-line 70V/100V distributed audio networks with heavy speaker loading.
For integrators across Africa, the 1502 fits naturally alongside multi-channel 2U models in the same rack. Pair it with a 3004 or 2004 for a mixed build — the 1502 handles the subwoofer or high-power foreground channel while the multi-channel model covers the remaining zones. It shares the same chassis, DSP platform, PowerZone™ Control web app, and five-year warranty, so your commissioning workflow stays consistent across every amplifier in the system. Combined with Blaze Ci, CBL, or CCA Series loudspeakers — or any compatible 2Ω–16Ω and 70V/100V speakers — the 1502 provides the concentrated power that demanding installations require.
PowerZone™ Connect 2U series
The PowerZone™ Connect 2U series is a line of ultra-reliable, full matrix DSP-enabled Class-D amplifiers that delivers exceptional system configuration and flexible output, with a total system power ranging from 1000 W to 6000 W. The PowerZone™ Connect 2U series powers both conventional low-impedance (2 Ω to 16 Ω) loudspeakers and constant voltage (70 V/100 V) transformer-coupled loudspeakers, and features proportional distribution in both Lo-Z and Hi-Z modes. Specific models of the PowerZone™ Connect 2U amplifiers offer compatibility with Audinate Dante™ AoIP networks and installations.
The intuitive PowerZone™ Control web app is built into all our PowerZone™ Connect amplifiers for easy system setup. PowerZone™ Control facilitates effortless customization of even the most challenging audio/voice systems by delivering many DSP configuration options and tuning features, including multizone setup, input mixing, priority and ducking, restriction, input and output EQ, S/PDIF output routing, high-pass filter, speaker presets, delay, Wall-S1 controller configuration, Sine generator, and much more.
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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.
