The QST K-1 DSP Processor is engineered for professional karaoke venues, live events, home theater systems, and advanced audio installations.
This is not a basic echo box — this is a true digital signal processor with real-time control, precision tuning, and powerful surround sound routing.
No more microphone howling.
✔ Automatic scanning of feedback frequencies
✔ Real-time suppression
✔ Stable vocals even at high volume
✔ Ideal for karaoke venues, churches, and live speech
Sing louder. Speak clearer. Stay in control.
Experience clean, controlled vocal effects powered by digital processing:
• Echo + Reverb customization
• Adjustable delay & tone shaping
• Dedicated MIC / MUSIC / EFFECT controls
• On-screen digital level monitoring
Every voice sounds polished and professional.
Take full control with the included Windows tuning software.
✔ Parametric EQ
✔ Frequency, Q, and Gain adjustments
✔ Save & recall presets
✔ Precise vocal shaping
✔ Supports Windows 10 & 11
Perfect for installers and advanced users who want real tuning flexibility.
Designed for home theater and multi-speaker systems.
• Front L / R
• Center
• Surround L / R
• Subwoofer output
Create immersive karaoke rooms or surround sound entertainment setups with professional routing.
Stream music instantly from your phone or tablet.
✔ Fast pairing
✔ Stable connection
✔ Improved range
✔ Low latency
✔ No messy cables
Perfect for parties, events, and home systems.
✔ Karaoke Venues
✔ Talk Shows & Public Speaking
✔ Live Events
✔ Home Karaoke Rooms
✔ Professional Audio Installations
The K-1 adapts to any sound environment.
• RCA Audio Inputs
• XLR Audio Outputs (5.1 routing)
• Dual Microphone Inputs
• USB Control Port (for PC tuning)
• Optical Input
• AUX / BGM Input
• Subwoofer Output
Flexible enough for complex systems.
• LCD Display
• Dedicated MIC / MUSIC / EFFECT knobs
• Digital level meters
• Easy menu navigation
• Rack-mount 1U chassis
Built for racks, studios, and installation environments.
• QST K-1 DSP Processor
• Power Cable
• User Manual
• PC Tuning Software (Download)
QST (Queens Sound Technology) designs equipment for users who want more than entry-level gear.
We focus on:
• Professional sound control
• Clean vocal clarity
• Installation-ready design
• Real DSP processing
🎤 Karaoke Rooms
🎧 Home Theater Systems
🎙 Podcast Studios
⛪ Churches
🎉 Event Spaces
🎚 Audio Installers
If you want a processor that delivers:
✔ Clear vocals
✔ Stable microphone performance
✔ Surround sound capability
✔ Wireless streaming
✔ True DSP control
The QST K-1 is built for you.