Source Audio
ZIO Analog Bass Preamp + DI
Best analog preamp for bassists seeking professional tone and studio-grade clarity.
Elevate your bass sound with the ZIO Analog Bass Preamp + DI, a premium tone-shaping tool designed for exceptional clarity and punch. This all-analog pedal offers a versatile sonic palette, from warm vintage tones to modern, aggressive sounds, making it the perfect first or last step in your signal chain. Its ultra-low noise design and high-quality Burr Brown op-amp ensure pristine audio quality. Utilize the balanced XLR Direct Out for clean routing to mixers or interfaces, or connect to your amp via the standard 1/4" output. Experience superior bass presence in any mix.
$249.00
Owner Satisfaction
4.7
/ 5
Category Rank
26
/ 207
#26 in Effects Processors
Price vs Category Average
-45%
Below average
Signal Path Type
Analog
/ Analog
Who it's for
- Gigging bassists needing quick tonal variety across multiple genres
- Studio engineers requiring pristine, noise-free direct recording signals
- Aggressive players demanding clean, high-headroom signal integrity
Who should skip it
- Modern players needing digital presets and deep software integration
- Tone-tweakers requiring precise multi-band frequency control
- Budget-conscious musicians seeking a simple, affordable utility box
Performance breakdown
Signal Integrity
Burr Brown op-amps deliver pristine, ultra-low noise audio performance.
Tone Shaping Versatility
Flexible EQ and toggle options cover everything from vintage to modern.
Direct Recording Utility
Balanced XLR output makes studio integration and live routing effortless.
Build Robustness
Compact, high-quality chassis design built to withstand rigorous touring schedules.
Ease of Operation
Intuitive analog controls allow for quick, tactile sound adjustments on stage.
Practice Flexibility
Dedicated headphone output provides a convenient solution for silent, high-fidelity practice.
Key Specs
Signal Path Type
Analog
Bypass Type
True Bypass
Processing Type
Analog
Number of Footswitches
1
Form Factor
Stompbox Pedal
Input/Output Interface
XLR, 1/4 inch Jack
Power Supply Type
9V DC
Dimensions
4.5 in./11.4cm x 4.5 in./11.4 cm x 2 in./5.1cm (including knobs)
Features
- Ultra-low noise analog preamp for bass
- Versatile tone shaping with BASS, FOCUS, TREBLE
- GRIT toggle for authentic breakup emulation
- SCOOP toggle for polished tonal character
- High-quality Burr Brown OPA1656 op-amp
- Balanced XLR Direct Out with ground lift
- Headphone output for silent practice
- Intuitive controls for easy sound adjustment
What customers say
Customers consistently praise the ZIO for its exceptional tonal quality and robust build, making it a reliable centerpiece for bass rigs. Reviewers frequently highlight the pedal's versatility, noting that the four distinct preamp modes offer genuine sonic flexibility, moving easily from clean boost to warm saturation. This combination of pristine sound shaping and sturdy construction solidifies its reputation as a high value investment for serious bassists. The consensus is that the ZIO delivers professional studio grade performance in a compact, road ready format.
Know before you buy
Yes. The pedal features a balanced XLR Direct Out, allowing you to send a clean, studio-quality signal directly to a mixer or interface without needing an external DI box.
The pedal operates on 9V DC and includes a dedicated power supply. It utilizes internal high-voltage rails to ensure maximum headroom and signal clarity.
The GRIT toggle adds authentic harmonic breakup to emulate the character of a driven tube amp, while the SCOOP toggle cuts specific mid-range frequencies to provide a more modern, polished, and punchy sound.
Yes, the ZIO is equipped with a dedicated headphone output, making it a convenient tool for practicing silently without needing to connect to an amplifier.
Yes, the ZIO features a 100% analog signal path built around a high-quality Burr Brown OPA1656 op-amp, ensuring ultra-low noise and pristine audio performance.
Because it acts as a high-quality preamp, it is designed to work effectively as either the first step in your chain to shape your instrument's raw signal or as the final step to color your tone before hitting an amp or interface.
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