Warranty & Support
We understand that buying products without being able to try them first is scary. Learn how LHZ takes the risk out of the process with a no-nonsense return policy and first-class personal support.
LHZ TV
Whether it’s and in-depth technical analysis, preamp comparison, tech tip, review, or just some inspiration that’s worth sharing, here it is!
TonePump vs LHZ Preamp Comparison
This is an in-depth technical analysis and audio comparison of the TonePump preamp and the LHZ Preamp intended to provide objective data to help players understand the differences in tone and feel that they experience when switching between these two preamps.
Getting Funky with a CST!!
Bassist Paul McFadden recently upgraded his Spector CST from the stock configuration (EMG X-series P/J pickups and Legacy preamp) to the LHZ preamp with the new MID-03 Midrange control and a set of EMG PJ (CS) pickups. The challenge was that while the stock configuration was great for his traditional rock band, he needed a warmer tone for his funk / groove band.
Fede Delfino tone demo on “What’s Left Of Us” by Magnetico
Fede Delfino took a little time between tour dates to record a playthrough of “What’s Left Of Us” by Magnetico using his Spector Euro LX that he’d recently upgraded with LHZ Preamps.
Modular Volume as Blend Control
Can you hack a modular volume control to blend two pickups AND acts as a master volume pot? Yes you can!
Preamp Battery Comparison: Alkaline vs. Rechargeable
We often get questions about batteries from clients who are used to passive instruments: In this video we look at how preamp batteries discharge over time to answer these questions, and compare a standard Alkaline battery against a common NiMH rechargeable battery.
Solving Compact Wireless Noise Injection
If you find yourself getting unusual noise from your one-piece wireless transmitter on your guitar or bass, you may have a noise injection issue. Noise injection is most often noticed in ultra-low power preamps when using guitar transmitters that use a 3-conductor TRS plug. There are a few factors that can cause this: Compact one-piece transmitters use the RING and SLEEVE of the plug to recharge their internal batteries when docked. This requires an electronic circuit to monitor the RING…
Legacy vs LHZ Preamps
We’ve had several users report that the new Legacy preamp is somehow slightly darker sounding than the Hazlabs on their NS2, and ask if the LHZ preamp would resolve that. One client shipped us their Legacy preamp so we could conduct testing to compare the Legacy to the LHZ.
Matt Baldwin LHZ-04 Review
Matt Baldwin is an independent recording artist at Mind’s Eye Recording Studios and bassist for the blues-rock band Teskey. He purchased the LHZ-04 to upgrade the stock preamp in his custom Spector and took it into the studio to record tracks for Teskey’s 2025 album “White Wolf.” Matt completely surprised us by recording a video review of the LHZ-04 preamp, which we are proud to share here! This video had us grinning ear-to-ear about halfway through when we got to…
New for 2025: The LHZ-04 Preamp
The LHZ-04 preamp is a physical re-design of our current LHZ-03 model. It is the same circuit, same components, and same sound. Improvements for 2025 were driven by a significant number of clients using the LHZ in non-Spector basses with very confined control cavities. With smaller board dimensions and extremely low vertical clearance requirements, the LHZ-04 is THE choice for challenging installations.
This video walks you though the differences between the LHZ versions.