Tech Tester
Speaker Test
Test your speakers online for left-right stereo, bass response, treble clarity, and possible distortion using simple browser-based tools.
Start here
Keep volume low at first. Some test tones and frequencies may sound louder than expected depending on your speakers and room.
Left / Right Speaker TestCheck that left and right channels are working correctly and not reversed.
Frequency Sweep TestRun a 20Hz–20kHz sweep to test bass, mids, treble, and possible distortion or dead spots.
Sound Frequency GeneratorPlay a single custom tone to isolate specific frequencies and identify problem areas.
What a good speaker test should check
- Left and right channel separation
- Weak or missing bass
- Treble harshness or dullness
- Buzzing, rattling, or cabinet vibration
- Dropouts at certain frequencies
- Balance issues between speakers
Simple test order
- Start with the Left / Right Speaker Test
- Run the Frequency Sweep Test
- Use the Sound Frequency Generator to isolate exact problem frequencies
Common signs of speaker problems
- One speaker quieter than the other
- Buzzing during bass-heavy frequencies
- Sharp, painful treble peaks
- Muffled mids or weak vocals
- Rattling from furniture, panels, or loose parts nearby
Quick troubleshooting tips
- Check if the left and right channels are reversed
- Try another browser or output device
- Disable EQ and enhancements temporarily
- Check speaker placement and cables
- Keep the volume conservative during testing