Home > Zero-Ohm: The Smarter Way to Scale Audio
Zero-Ohm: The Smarter Way to Scale Audio
What Is a Zero-Ohm System?
Zero-Ohm is a revolutionary loudspeaker management solution that allows you to connect multiple loudspeakers—far more than traditional systems—without the need for 70V/100V transformers or risking amplifier overload. Think of it as a passive interface that lets you wire many speakers in parallel with zero risk of impedance drop, maintaining consistent audio quality and amplifier performance.
It’s a game-changer for large-scale installs: stadiums, theme parks, public spaces, retail centres, and anywhere you need wide coverage with reliable, high-fidelity audio.
Why Use Zero-Ohm?
Traditional Limitations:
- In standard low-impedance systems, connecting multiple speakers reduces total impedance.
- Drop below your amp’s safe range (typically 4–8 ohms), and you risk shutdowns, distortion, or equipment damage.
- 70V/100V constant voltage systems solve this but often compromise on audio quality and require transformers.
Zero-Ohm Advantages:
- Connect up to 20 speakers per channel (or more with expansion).
- Maintains consistent impedance—no complex maths, no transformers.
- No signal degradation, no overheating, and full audio spectrum performance.
- Works with virtually any amp and speaker brand.
- Sound quality is governed by speaker not transformer.
2. Key Use Cases
- Outdoor installations: Theme parks, festivals, sports grounds.
- Commercial AV: Shopping centres, airports, museums.
- Hospitality & venues: Hotels, conference halls, houses of worship.
- Architectural audio: Large-scale distributed systems with varying speaker locations and distances.
3. Technical Considerations
Compatibility
- Amps: Works with any standard pro audio amplifier (no special requirements).
- Speakers: Any passive speaker up to 250W RMS (depending on model).
- Signal: Stereo or mono; system maintains channel separation.
Models Available
- Options for 2-channel, 4-channel, or custom setups.
- Expansion units allow for scaling even further.
Installation Simplicity
- Passive (no power supply).
- Connect like a regular speaker load—no DSP or digital setup required.
- Compact form factor fits standard rack or shelf installs.
4. Performance and Audio Quality
- No transformers = no signal coloration.
- Maintains full-range clarity—ideal for music, voice, or mixed content.
- Consistent output across all connected speakers, even over long cable runs.
5. Budget and Value
- Eliminates the need for 70V/100V gear and transformers.
- Reduces amp channel count—use fewer amplifiers to power more zones.
- Passive = no maintenance, no firmware updates, no headaches.
6. Available Models: Which One Do You Need?
Standard Installations
🔹 2K-2 – 2-Channel, 2000W per Channel: Perfect for medium-sized venues, retail, education, or hospitality installs with moderate speaker counts.
Multi-Zone or Expanded Systems
🔹 2K-4 – 4-Channel, 2000W per Channel: For projects with multiple zones or distributed speaker layouts, offering flexibility and scalability.
High-Power Applications
🔹 4K-2 – 2-Channel, 4000W per Channel: Ideal for large-scale installs like arenas, shopping centres, or outdoor spaces where long runs and higher SPL are needed.
Large-Scale, Multi-Zone Powerhouse
🔹 4K-4 – 4-Channel, 4000W per Channel: The top-end choice for the most demanding environments—massive coverage, multiple zones, and max flexibility.
7. Support and Resources
Zero-Ohm is for AV pros who want scalable, high-quality distributed sound without the complexity or compromise of traditional systems. Fewer amplifiers, more coverage, and no impedance headaches—what’s not to love?
Explore the range or get in touch to spec your next install with confidence.
Need help specifying a Zero-Ohm system?
- 📞 Call: 0141 375 7260
- 🌐 Visit: www.dizztribution.net
- 📧 Email: di***********@*******sh.net
Our team can help spec your project, match compatible gear, and ensure optimal results.
