Ashdown Rootmaster 420W 1x15 Bass Combo Amplifier w/5-band EQ, Compression, Foot-switchable Drive and Sub Harmonic Effects, Line Input, Two Speaker Outs, Tuner and DI Outputs

Item # AMPRMMAGC115420
| Mfg # RMMAGC115420
| UPC # 700729537374
Our Price: $699.99
Retail: $979.00 | You Save: 28%

The ultimate mixture of affordability, portability and booming low-end tone, the Ashdown Engineering Rootmaster RM-C115-420 Bass Combo Amplifier pushes 420 watts of massive low-end power through a single 15" Ashdown speaker. The RM-C115-420 also sports a comprehensive onboard preamp featuring a classic 5-band EQ for superior tone shaping capabilities, an onboard compressor, and footswitchable Drive and Sub Harmonic effects.

Made with the gigging bassist in mind, the RM-C115-420 features a redesigned Class D power amp which helps keep the weight of the amp down. This killer amp also comes equipped with a mini jack auxiliary input, an FX loop, an XLR DI, a Speakon/Jack combination output and a jack input for the optional FS-2 footswitch.


  • Watts 420
  • Other Features           
  • Power Handling: 230 Volt
  • Speaker Outputs: 2 x Jack Sockets
  • Frequency Response: -3dB @17Hz and 30KHz
  • High Instrument Input: Impedance 3.9m Ohms, Input Range 150mV - 20mV p-p
  • Low Instrument Input: Impedance 10KOhms / Input Range 300mV - 40V p-p
  • Line Input: Impedance 10K Ohms, Level 0dBu Nominal
  • DI Output: 600 Ohm Balanced / Level -20dBu Nominal
  • Tuner Output: Impedance 22k Ohms / Level 0dBu Nominal
  • Impedance: 8 Ohm
  • Output Impedance: Minimum 4 Ohm
  • Signal to Noise: Better Than 80dB (EQ Flat)
  • EQ: Bass +/-15dB @ 100Hz, Lo Mid +/-15dB @ 220Hz, Middle +/-15dB @ 660Hz, Hi Mid +/-15dB @ 1.6kHz, Treble +/-15dB @ 7kHz Shelving Deep +
  • Effects Send/Effects Return: Impedance 22k Ohm / Level 0dBu Nominal
  • Distortion: Less Than 0.5% THD

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Product Warranty Information

  Product warrenty information

All instruments in our catalogs and on our shopping site carry the manufacturers' warranties against defects in parts and workmanship. Should a defect occur within the manufacturer's warranty period, contact us immediately.

We will be glad to help facilitate the repair or replacement as specified by the manufacturer. The manufacturer will determine whether the defect is covered under their warranty; we do not make that determination.

Please note: U.S.-based manufacturers WILL NOT honor warranties for items sold and shipped outside the U.S. Also, if a school, school district, or board of education purchases an instrument and resells it to an individual, the manufacturer considers the warranty to be void. Warranties are extended only to the original purchaser!

All warranties, stated or implied are held with the product manufacturer and they vary from item to item. Consult the documentation that came with your product for details in addition to the information below.
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Founded in 1997 by Mark Gooday of Trace Elliot, Ashdown bass amps are now used by bands and artists like Foo Fighters, U2, Pino Palladino, Radiohead and more. They also offer amps from 10 watt practice amps to UK hand-crafted 400 watt all-valve monsters.
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