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Markbass Little Mark IV 500 Bass Amp Head

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R15,195.00 R17,895.00
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Little Mark IV 500W Bass Amp Head with 4-band EQ, Old School Control, XLR Direct Out, Speaker Out, Tuner Out, and Effects Loop
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The new Little Mark IV amps add some amazing features to our flagship Markbass Little Mark III amplifier, an industry standard for tone, portability and value. The new bi-band limiter featured on this amp responds faster and more dynamically to your playing. Its paired with a 500 watt power amp providing impeccable bass frequency reproduction thanks to our MPT proprietary amp specifically designed for bass. In addition the Little Mark IV features a mute switch, and the 3 way switch that that includes the options of a Flat, Scooped or FSW (Footswitchable) EQ options.

What Markbass Says...

Since our beginning 20 years ago, Markbass pioneered small amp design with its "Little Mark" series creating an industry standard thanks to their amp's compact size, light weight, along with its signature warm and natural sound. That legacy has been preserved with the Little Mark IV, and has evolved to include the addition of new features requested by many of our artists and customers.

Updated 4 band EQ, Old School filter, 3 way switch

Our updated 4 band EQ section features very effective controls allowing you to easily find the sound you want, boosting or cutting up to 16dB for each of the 4 bands to cover all the tonal nuances needed in any genre of music. Additionally the Old School filter cuts your high frequencies and gives a round and smooth tone. The 3 way rotary-switch allows you to choose between a super-balanced flat tone, a scooped preset that drops the mids while boosting the lows and highs - giving a superb slap sound, or lastly the 'FSW' option to control both mute and the Scooped EQ on demand by connecting an optional dual footswitch.

Bi-band limiter

Our new bi-band limiter responds faster and more dynamically to your playing than traditional limiters do and lets your high end "breathe" for a more natural sound. It makes our amp heads the best choice for anyone who enjoys a quick, punchy attack at high volumes.


Featured on the front panel of the Little Mark IV series amps are a convenient mute switch, along with the Line Out level control knob that allows for precise control of the signal sent to the mixer/ PA. On the rear panel is a Pre-Post EQ switch allowing you to set the XLR output's routing to before or after your EQ as required.


Many other bass amps on the market use power amps that are not specifically designed for bass. At Markbass, Marco De Virgiliis invested heavily in R&D to develop proprietary power amp technology in house. Our MPT power amp was built from the ground up to respect and elevate the inherent tone of your instrument.

Markbass Little Mark IV 500 Bass Amp Head Bass Amp Head Features:

  • Bi-Band limited
  • Footswitch (optional): Flat/Scooped-Mid
  • Output power: 500W RMS @ 4 ohm, 300W RMS @ 8 ohm
  • Power requirement: 100V; 120V; 230V; 240V 50/60Hz

Type Solid State
Number of Channels 1
Amp Power 500W RMS @ 4 ohms / 300W RMS @ 8 ohms
Ground Lift Yes
Pre/Post EQ Switch Yes
Other Switches Mute
EQ Low, Mid-Low, Mid-High, High
Other Controls Master Volume, Gain, Old School Filter, Flat/Scooped/FSW
Inputs 1 x 1/4" Instrument, 1 x 1/4" Footswitch
Outputs 3 x 1/4" (Effects Send/Return/Tuner), 1 x XLR (Line Out), 1 x Speakon, 1 x 1/4" Speaker Out
Effects Loop Yes
Height 3.27 in. / 8.3 cm
Width 10.87 in. / 27.6 cm
Depth 9.84 in. / 25 cm
Weight 5.4 lbs / 2.45 kg
Manufacturer Part Number Little Mark IV500 MBH110102Z