4 inputs · versatile · 2U rack
Aio4500
Four 500 W channels, 4×4 matrix DSP, up to 2×1000W in Bridge mode. Generous power for demanding installations — performance venues, large terraces, nightclubs.
Power
4×500W @ 4Ω
Bridge
2×1000W @ 8Ω
Format
2U rack
Weight
7.4 kg
Technical specifications
Amplification & Outputs
- 4 independently configurable channels
- Power: 4×500W @ 4Ω / 2×1000W @ 100V (Bridge) / 2×1000W @ 8Ω (Bridge)
- Switchable modes: Lo-Z (4-8Ω) / Hi-Z (70V/100V) / Bridge (BTL)
- Class D full bandwidth PWM (UMAC™)
- THD+N: < 0.05% (20Hz-20kHz, 8Ω, 3dB below rated)
- Signal/Noise: > 106 dB (A-weighted)
- Frequency response: 20Hz-20kHz (+0/-0.5dB)
Audio inputs
- 4 balanced analog inputs (Euroblock) or unbalanced (RCA)
- Per-channel sensitivity: Mic / -10dBu / +4dBu / +14dBu
- 1 stereo S/PDIF input/output (digital)
- Full matrix DSP with flexible routing
DSP & Processing
- Configurable 4×4 input/output matrix
- 5-band parametric EQ per input
- 10-band parametric EQ per output
- Importable FIR filters (512 taps @ 48kHz)
- Configurable crossovers (HP/LP)
- Dynamic compression per zone
- Peak/RMS/Clip limiter per output
- Configurable delay per output
- Lockable speaker presets (Audiophony/SYNC/JB Systems)
Zones & Routing
- Up to 4 mono zones or 2 stereo zones
- Priorities: Primary / Low / Mid / High
- Automatic ducking (main source attenuation)
- Source restriction per zone
- Min/Max volume range per zone
- Tone and noise generator (calibration)
Control & Network
- HTML5 web interface (macOS, Windows, Linux, iOS, Android) — no installation required
- Built-in WiFi connection (access point or client)
- Ethernet RJ45
- Compatible with AioCTL wall controllers (black or white)
- 8-pin GPIO (faders, buttons, trigger)
- Open API for third-party integration
- Multi-user with PIN
Connectivity
- 4 balanced Euroblock + 4 unbalanced RCA (paired)
- 2 Euroblock outputs (4 channels Lo-Z or 2 Hi-Z/Bridge)
- 1 S/PDIF In/Out (RCA)
- 1 GPIO 8-pin Euroblock
- 1 RJ45 Ethernet · 1 IEC · WiFi antenna
Protection & Safety
- Short-circuit, DC, under-voltage, temperature, overload
- Clip limiter (Fast/Normal)
- Peak limiter (Auto/Manual)
- Configurable RMS limiter
Power supply
- UREC™ universal mains switch mode with PFC
- 100-240V AC, 50/60Hz
- Consumption: 2000W max
- Standby: < 0.5W
Physical
- Format: 19″ 2U rack
- Dimensions: 440 × 88 × 321 mm
- Weight: 7.4 kg
- Temperature: 0-40°C
- Temperature-controlled cooling
Included accessories
- AC power cable
- 2 Euroblock input connectors
- 2 Euroblock output connectors
- 1 Euroblock GPIO connector
- 4 adhesive rubber feet
- Documentation