Professional-Grade DSP for Live Sound & Installation

The Protea 4.8SP is a powerful 4-input, 8-output digital loudspeaker management system designed for demanding live sound environments and fixed installations. With 24-bit, 48kHz delta-sigma A/D converters and twin 120MHz Motorola DSP processors, it delivers pristine audio quality with >112dB dynamic range and <0.002% THD+N.

Comprehensive DSP Toolset

• ✔ Parametric EQ – 6 filters per input, 4 per output with 1/64 to 4-octave bandwidth
• ✔ Crossover – Butterworth, Bessel, Linkwitz-Riley with 12/18/24/48dB per octave slopes
• ✔ Limiter – Full compressor/limiter on each output with threshold, ratio, attack & release control
• ✔ Delay – Up to 682ms on both inputs and outputs for precise time alignment
• ✔ Matrix Routing – Any input can be routed to any output or combination of outputs

Intuitive Front-Panel Control

Dedicated function buttons provide instant access to all parameters without hidden sub-menus. The backlit 2×20 LCD displays channel and function settings, while 5-segment LED arrays on each input and output show real-time level metering and mute status. Perfect for fast adjustments during live performances.

PC Software & Remote Control

Connect via USB (front and rear ports) to the free Protea NE Software for advanced visual editing of EQ curves, routing, and filter responses. RS-232 interface allows integration with third-party control systems. 4-level security (Off, Preset Lock, Parameter Lock, Full Lockout) prevents unauthorized tampering.

💡 Key Advantage: The 4.8SP offers 30 user-programmable presets with 10 factory templates to get you started. Save, recall, and copy settings across channels with ease.

Specifications at a Glance

Compliance & Compatibility

• ✅ Safety: CE, FCC, RoHS compliant
• ✅ Control: USB (front + rear) & RS-232
• ✅ Software: Protea NE Software for Windows (free download)
• ✅ Third-Party: Compatible with major control systems

Frequently Asked Questions

Q: Can I route any input to any output?
A: Yes. The 4.8SP features full matrix routing – any input or combination of inputs can be assigned to any output.

Q: Does this unit include software?
A: Yes. The Protea NE Software is available as a free download from the manufacturer's website.

Q: What is the total delay available?
A: Up to 682ms on inputs and 682ms on outputs, for a total of 1,364ms of delay capability.

Q: Can I save my own presets?
A: Yes. The unit stores up to 30 user presets, which can also be saved to your PC via software.

Shipping & Warranty

🔌 Voltage: Universal power supply (100–240VAC, 50/60Hz). The correct plug type will be provided based on your shipping country.

🚚 Shipping: Free shipping via UPS / FedEx / DHL air shipping. Tracking number provided.

🛡️ Warranty: 5-year limited warranty against defects in materials and workmanship (USA). International customers, please contact your local distributor.

Have questions or need a custom solution?
Email us: shop@micwlaudio.com