
MXR M81 Bass Preamp Effects Pedal
Features
- 3-Band EQ with sweepable midrange
- Studio-quality Direct Out
- Constant Headroom Technology™ for clean, crystal clear tone
Specifications
- Input Impedance: 2.2 MΩ
- 1/4” Output Impedance: 300 Ω, 40 Hz
- Balanced Output Impedance: 120 Ω, 40 Hz
- Maximum 1/4” Output Level: +13 dBV
- Maximum Balanced Output Level: -2 dBV
- Noise Floor*: -98 dBV
- THD: 0.03%, 1 kHz
- EQ Controls:
- Bass ±16 dB, 40 Hz
- Mid ±17 dB, 250 Hz to 1 kHz
- Treble ±18 dB, 4 kHz
- Input Control: Pre EQ, ±10 dB
- Output Control: Post EQ, +20 dB
- Bypass**:
- True
- Hardwire
- Buffer
- Current Draw: 8.5 mA
- Phantom Power Current Draw: 5 mA
- Power Supply: 9 volts DC
WATCH: MXR Bass Preamp
Original: $250.82
-65%$250.82
$87.79Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Features
- 3-Band EQ with sweepable midrange
- Studio-quality Direct Out
- Constant Headroom Technology™ for clean, crystal clear tone
Specifications
- Input Impedance: 2.2 MΩ
- 1/4” Output Impedance: 300 Ω, 40 Hz
- Balanced Output Impedance: 120 Ω, 40 Hz
- Maximum 1/4” Output Level: +13 dBV
- Maximum Balanced Output Level: -2 dBV
- Noise Floor*: -98 dBV
- THD: 0.03%, 1 kHz
- EQ Controls:
- Bass ±16 dB, 40 Hz
- Mid ±17 dB, 250 Hz to 1 kHz
- Treble ±18 dB, 4 kHz
- Input Control: Pre EQ, ±10 dB
- Output Control: Post EQ, +20 dB
- Bypass**:
- True
- Hardwire
- Buffer
- Current Draw: 8.5 mA
- Phantom Power Current Draw: 5 mA
- Power Supply: 9 volts DC
WATCH: MXR Bass Preamp





















