Updated 6 May 2026
| Brand | Sadowsky |
| Category | Guitars and Basses > Pickups > Bass Pickups > Electronics for Basses |
| Available at | 1 UK stores |
| 90-day avg | £252.00 |
Sadowsky
Sadowsky Onboard Bass Preamp MB4F
£251.00Fair Price
Cheapest at Thomann · 1 store
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PRICE HISTORY
Current
£229
Change
+4.8%
Avg
£218
Low
£203
High
£236
Volatility
3.8%
PRODUCT DESCRIPTION
- Sadowsky Onboard Bass Preamp MB4F
- Pre-Wired Onboard Bass Preamp for Electric Basses
- With 4-knob layout, mid boost switch, side jack and battery compartment
- Active preamp for passive pickups
- 4-knob layout with controls for master volume / balance / vintage tone control (P/P) / treble and bass (tandem) / mid boost switch
- Push/pull function on the VTC control for preamp bypass
- Includes 0.1 µF replacement capacitor for the VTC module for better treble attenuation when used with Sadowsky Soapbar pickups.
- Longer cables between the potentiometers to ensure installation in basses other than Sadowsky basses
- Screw terminals on the balance potentiometer for solder-free installation of the pickups' hot & ground cables
- Without control plate
- Frequency range: 5 Hz - 50,000 Hz
- Bass control with +18 dB boost at 40 Hz
- Mid boost switch with +10.6 dB boost at 500 Hz
- Treble control with +18 dB boost at 4 kHz
- Total harmonic distortion (THD) 0.18% at 1 kHz
- Power supply with a 9 V battery
- Current consumption: 9 mA
- Up to 870 hours of battery life
- Input impedance: 1 MOhm
- Output impedance: 1 KOhm