The GS-3 is a comprehensive onboard preamplifier designed for acoustic guitars, offering robust tone shaping and convenient tuning capabilities. This system features a 4-band equalizer, phase reversal, and an integrated chromatic tuner with a high-definition LCD display. It also includes a low battery alert to ensure you're always aware of your power status, all within an easily installable design.

• Extensive Tone Control: Equipped with a versatile 4-band EQ (Bass, Middle, Treble, Presence) and a Phase Reversal switch, the GS-3 allows for precise sculpting of your acoustic guitar's sound, enabling you to achieve your desired tone in any setting.
• Integrated Chromatic Tuner: The built-in chromatic tuner features a high-definition LCD display for clear and accurate tuning. This convenient addition means you won't need an external tuner, streamlining your setup.
• Low Battery Alert: A dedicated Low Battery alert feature provides a timely reminder to replace your batteries, ensuring uninterrupted performance.
• User-Friendly Installation: Designed for straightforward integration, the GS-3 can be easily installed into your acoustic guitar, making it a practical upgrade for enhanced functionality.

Parameters:

• Features: 4-band EQ / Chromatic Tuner / Phase Reversal
• Input Impedance: 10MΩ
• Frequency Response: 20Hz-20kHz
• Control Range:
  • Bass: $\pm12$dB at 100Hz
  • Middle: $\pm12$dB at 800Hz
  • Treble: $\pm12$dB at 6kHz
  • Presence: $\pm12$dB at 10kHz
• Pickup: Piezo Ceramic Pickup
• Output Jack: 6.35mm
• Low Battery Indicator: LED
• Battery Life: Over 100 hours
• Power Supply: 9V Alkaline Battery