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Teenage Engineering EP-35 K.O. Amp

5.0 out of 5 stars from 1 customer ratings ()

Portable Instrument Amplifier

  • Suitable for recording, monitoring, jam sessions or as a Bluetooth speaker
  • Inputs for microphones, electric guitars, bass guitars, synthesizers, drum machines and other line-level sources
  • Output power: 30 W RMS (woofer) and 25 W RMS (tweeter)
  • Frequency range: 50 – 20,000 Hz
  • Microphone input with gain control, +48 V phantom power (switchable), built-in microphone effects and intensity control: XLR
  • Instrument input for electric guitar, bass and other instruments, featuring a gain control with switchable Hi-Input mode, built-in effects and intensity control: 6.3 mm jack
  • Stereo line input with gain control, suitable for synthesizers, drum machines, samplers and other audio equipment: 3.5 mm jack
  • Stereo line-out: 3.5 mm jack
  • Simultaneous playback of all connected signal sources without switching between them
  • Tone controls (EQ) for sound adjustment and a mute button
  • Audio streaming via Bluetooth 5.4 with Auracast support for multi-speaker setups
  • USB-C device port for computers, smartphones or tablets, with built-in audio interface and charging function (45 W)
  • USB-C host port with mode button for audio devices, USB data storage devices (supports playback of MP3, WAV and AIFF files) and optional accessories, e.g. Teenage Engineering Amptenna (item no. 656518, not included)
  • USB-C charging port on the back (45 W mains adaptor recommended, not included)
  • Built-in lithium-ion battery (7.2 V / 2800 mAh)
  • Integrated camp lamp with car, constant light and disco modes
  • Built-in storage compartment for accessories
  • Splash-proof housing for mobile use
  • Mounting options for optional accessories, e.g. Eyelet Bag (item no. 656556) or Pocket Bag (item no. 656559) or EP peg connector (item no. 646169)
  • Dimensions (W × H × D): 229 × 269 × 176 mm
  • Weight: 3.2 kg
  • Including quick start guide
  • Available since October 2026
  • Item number 656512
  • Sales Unit 1 piece(s)
  • Power rating in W 55 W
  • Channels 4
  • Reverb Yes
  • Effects Processor Yes
  • External FX Loop No
  • Line input Yes
  • Headphone connection Yes
  • Weight in kg 3,2 kg
  • RMS Power 55 W
  • Power rating 55 W
  • Internal Effects Yes
  • Power (Manufacturers Specs) 55 W
  • Number of HT-Speaker 1
  • Number of Midrange Speaker 0
  • Midrange Speaker in Inch No
  • Number of Bass Speaker 1
  • Number of Ways 2-Way
  • Colour Gray
  • Width 229 mm
  • Height 269 mm
  • Depth 176 mm
  • Line Out Yes
  • Weight 3,2 kg
  • Battery Yes
  • Batterie Information 7,2V / 2800mAH
  • Housing Material Plastic
  • Construction Type Standard
  • Using for Guitar
  • Stand Flange No
  • Flyable No
  • Analog Inputs 3
  • Microphone Input 1
  • Line Input Yes
  • EQ per Channel No
  • Master EQ Yes
  • Media Player BT, USB
  • Voice Assistant No
  • Remote Control BT
  • True Wireless Stereo Yes
  • Wireless Mic Handhleld / Headset No
  • Effect Yes
  • Frequency Range (-3dB) from 50 Hz
  • Frequency Range (-3dB) to 20000 Hz
  • Low Cut No
  • Ground Lift No
$375
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1 Review

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Versatile companion
ronDamon 04.11.2026
I got the KO Amp for home practice and it totally suits this. It's a little hard to find the balance between the mic/aux/instrument while playing, but once set up it's so nice to have it on your living room or bedroom and just start jamming whenever you want without much cables. It's loud enough, but I don't think it would fit a rehearsal room or similar, more like a small unplugged room, without acoustic drums. Nevertheless, the accessories seem to compensate for that. Waiting for the pedal and the other accessories to arrive and use the full kit.
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