Scan code: LN104939 Manufacturer code: JD-M281

'Thump' Bass Preamp

MXR M281 Thump Bass Preamp, 3 Band EQ, Midrange Frequecy Adjustment , Echoplex® Preamp

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Scan code: LN104939 Manufacturer code: JD-M281
Order now and get it tomorrow, Thu 22nd Oct
From £12.48 / month (APR 14.9%)
Monthly Payment: £12.48
Instalment Rate: 14.9% p.a. (fixed)
Cost of purchase: £139.00
Total inc. interest: £149.73
If you are approved for a credit limit with PayPal Credit and use it for future purchases, the APR for those purchases won't be more than 19.9% and may be even lower.

Representative Example:

Purchase Rate: 19.9% p.a. (variable)

Representative: 19.9% APR (variable)

Assumed Credit Limit: £1,200

Subject to status. Terms and Conditions apply.
Delivery Options
  • By DPD On 22nd Oct to your specified address. | Free Receive SMS with one-hour delivery window Weekend, timed and European delivery options are available at checkout

    Have your parcel delivered by DPD to your specified address. Receive SMS with one-hour delivery window

    Weekend, timed and European delivery options are available at checkout
  • Collect instore Collect from our Bolton store, BL6 6PE | Free

    Order online, collect from our Bolton store (25-28 Enterprise Park, Middlebrook, Horwich, Bolton, BL6 6PE)

  • UPS and DPD Pickup Pickup from local convenience store | £4.79

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  • SCANPROTECT Protect against installation damage for 28 days. More info

    ScanProtect is an enhanced warranty specifically designed and offered by Scan to reduce the risk of any mishap or damage to components during installation.

    Our aim with ScanProtect is to encourage our customers to upgrade or build their own PC confidently. For a small additional fee our customers are provided with complete peace of mind.

Bring your Bass to life with the 'Thump' preamp from MXR

MXR Thump Bass Preamp Pedal

supercharge your bass tone Since the inception of Dunlop’s ‘Echoplex’ preamp, guitarist’s spanning all genres have been using this to boost their tone, now, thanks to MXR and the new ‘Thump’ bass preamp pedal, bassists can grab a slice of the action too!

Not only does the ‘Thump’ add some more natural ‘mojo’ to your playing, this preamp pedal also gives you a broad 3-band EQ with an adjustable mid frequency. No matter if you want to add some girth to a solo, boost your live signal or add some aggression to your passive pickups, the MXR ‘Thump’ is here to answer all your prayers!

Huge tone-shaping power inside

MXR Thump Bass Preamp Pedal

adjustable mids from 250Hz to 1kHz for huge tonal versatilitySimply running your bass signal through the Thump adds a precision balanced EQ profile, but that’s just the start of it. The Thump’s 3-band EQ allows you to mould your tone in a multitude of ways.

The ‘Bass’ control adjusts around the 40Hz range, the ‘Treble’ control takes care of the frequencies around 8kHz, whilst the ‘Freq’ control allows you to adjust the frequencies determined by the ‘Mid’ knob, ranging from 250Hz to 1kHz.

The ‘Thump’ from MXR is packing a serious amount of versatility, belying of it’s small, compact stature.

Understanding & Controlling the 'Thump' from MXR

Bring your bass tone to lifeThis pedal combines the tone-sweetening magic of the Echoplex® Preamp with a three-band EQ and midrange frequency adjustment so that you can dial in the perfect bass tone. Whether you need to punch up a solo, boost your signal in a live mix, or sculpt more edge into the sound of a passive bass, the Thump Bass Preamp packs incredible versatility into an MXR mini housing.

OutputAdjusting this parameter will determine the overall output level of the effect.

TrebleAdjusting this parameter will boost or cut high-end frequencies at the 8Hz mark.

MiddleAdjusting this parameter will boost or cut the midrange as determined by the 'Frequency' knob.

BassAdjusting this parameter will boost or cut the bass frequencies at the 40Hz mark.

FrequencyAdjusting this parameter determines the midrange frequencies between 250Hz to 1kHz.

The Tech Spec

Features Specification
Input Impedance 1 MΩ
Output Impedance 100 Ω
Bass + 15/-7 dBV, 60 Hz
Mid ±16 dBV, 1 kHz
Treb ±10 dBV, 4 kHz
Freq Sweep 250 Hz to 1 kHz
Noise Floor -95 dBV
Bypass True Hardwire
Current Draw 9 mA
Power Supply 9 Volts DC

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

12 months
Return to base
DOA Period:
28 days
RTB Period:
12 months
Manufacturer Contact Details
Scan Computers International Limited
'Thump' Bass Preamp
'Thump' Bass Preamp