EA’s  four pound Swiss-army knife !

  • 2 Channel – switchable
  • Power Output: 625 watts @ 4 ohms, 450 watts @ 8 ohms
  • Size: 6.3cm H x 28.5cm W x 19cm D / 2.5″H x 11.25″W x 7.5″D
  • Weight: 1.8 Kg / 4 lbs.

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EA makes micro heads for bassists who like to hear their instruments without amp colorations. Bassists prize the two-channel iAMP Micro and Doubler amplifiers for their clear tone and small, lightweight form factor.  To improve upon this design, EA has now introduced the Doubler II.

Among EA’s biggest supporters are professional players who might find themselves playing a 5-string bass guitar on Friday night and an Upright Bass on Saturday, or maybe both on the same gig. These bassists are called Doublers, and they finally have an amp worthy of their name. Doublers have specific demands: hi-fi accuracy, the power to drive the low ‘b’ on an electric bass or handle the power of a ‘doghouse’ played full tilt, and a series of unique features that allow for the proper amplification of an Upright Bass. Features like a two channel preamp for getting a properly mixed stage sound, with one channel optimized for piezo pickups and one for mics, and a set of filters that eliminate the feedback common to Upright basses. A DI XLR out sends both channels to the sound board.

Amazingly, the EA’s Doubler has all of this, and packs it all in a 1.8Kg / 4 pound box with over 600 watts of power on tap.


  • Inputs:  2 independent channels, Channel 1 Mid EQ set at 500Hz for electric bass, Channel 2 Mid EQ set at 800Hz for upright/acoustic bass- Channel 2 has XLR input with phantom power
  • Input Impedance: 1Meg ohm input impedance on both inputs
  • Trim controls: Independent channel level adjustments, DI output level, and high pass filter
  • Intelligent Input Switching: Select different settings for 1 bass or have independent setups for 2 basses, Channel 1 or Channel 2, or Channel 1+2
  • Controls: Channel switch, Input gain, 3-Band EQ, Master Volume, Mute switch, Effects loop blend
  • EQ: Low, Mid, and High for each channel. Variable high pass filter 22-80 Hz, 6db per octave (Channel 2 only: allows selection of a frequency below which response is reduced, helps boomy rooms and stages). Channel 2 also includes switchable Phantom Power, Variable Phase Control, and switchable Variable Notch Filter.  Switch selectable 80Hz Pre-emphasis filter on each channel.  Switch selectable 25-50-80Hz high pass filter on each channel
  • Effects Loop: Parallel effects loop with blend control, wide range of setups via internal jumpers
  • Outputs: Speakon speaker, tuner, effects send, balanced DI XLR out
  • Protection: Internal cooling fan, thermal and overload
  • Frequency Response: 20Hz to 20kHz +/- 3dB
  • Power Output: 625 watts @ 4 ohms, 450 watts @ 8 ohms
  • Size: 6.3cm H x 28.5cm W x 19cm D / 2.5″H x 11.25″W x 7.5″D
  • Weight: 1.8 Kg / 4 lbs.

Additional information

Weight 2 kg
Dimensions 24 × 38 × 12 cm


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