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Notes: A creative new approach to sampling, the first release from Teenage Engineering's EP Series is an evolution of the PO-33 K.O! Pocket Operator. Sample, program, sequence and produce in one comapact, retro box.

*** OS 2.0 firmware update- April 2025 ***

Resampling
Song mode
Sidechain
More polyphony
More MIDI

K.O. II just got its first major OS update! Teenage Engineering have managed to pack a ton of new knockout features like resampling to remix and chop sounds, sidechain for groove control, song mode to arrange tracks of up to 9,801 bars, an optimized playback engine with increased polyphony, plus extended MIDI support.

Resampling

Sample any sound source on or off the K.O. II, process it through effects and make a brand new sample from it.

Song mode

Song mode adds the ability to chain scenes and create longer, more structured track arrangements.

Sidechaining

Sidechain allows one sound to control the volume of another, perfect for kick and bass groove control.

More polyphony

Teenage Engineering have managed to increase K.O. II's voice count, now supporting 16 mono or 12 stereo voice polyphony.

More MIDI

Pass notes between units with MIDI thru, keep your gear in sync and pair up to16 devices simultaneously.

Supplier's Notes:
Get ready for Round 2

Meet the next evolution of the world's most sold sampler. Based on the legendary PO-33 K.O!, the new EP-133 K.O. II adds more power, more sampling capabilities, a fully reworked sequencer and brand new punch-in 2.0™ effects. Introducing a workflow that lets you go from idea to track faster than ever. It's pocket operators gone pro.

The champ is here

A versatile machine with an impressive set of features, K.O. II is the new champion in and outside the studio. Unrivaled by anything in its class, this is the sampler you've always wanted.

Record sounds around you, sample your voice, favorite synths, vinyl records or whatever audio that you've got on your phone.

Sequence your samples and loops. Make use of the curated selection of drums, bass and keys that come pre-loaded on your K.O. II.

Tweak and automate things like filter, pitch and more... add stereo effects, compressor and next generation punch-in effects.

Knock out features

9 projects each with 80,000 notes
Projects contain 4 groups, each with 99 patterns
Patterns have 12 tracks for samples and midi
Variable pattern length per group (1 to 99 bars)
12 mono / 6 stereo voice polyphony
Use groups to mix and match patterns on the fly
Record and automate all 12 fader assignments
Sequence in free time or quantized with swing
Assign any pad to one of 16 midi channels
Loop mode from OB-4 with length and slide
12 pressure and velocity sensitive pads
Instantaneous time correction and erase
Slice samples live or automatically
Stereo / mono sampling at 46.875 kHz / 16-bit
Punch-in 2.0: effects (pressure sensitive)
Arrange quickly using the instant commit feature
32-bit float signal chain, 24-bit ADC/DAC
Sync io for ext. Gear. 8th, 16th note or sync24
6 built-in send FX and a master compressor
Drag and drop samples using the sample tool

The sequencer engine of the K.O. IIO provides an intuitive, fast way of building up beats and variations using 4 groups x 12 patterns. Like most DAWs, you can instantly swap patterns per group, experiment with different combos to find what beat and bass lines work together. The commit button helps you freeze a point in time and move on, adding a verse or a break. It all happens in real time while playing.

Built-in mic and speaker
USB-C
Midi output
Midi input
Sync output
Sync input
Audio input
Audio output
4x AAA batteries

One-two punch

Vintage style keys with a modern touch, combining tactility with pressure sensitivity.

10" EP format

Comes in a limited edition 10" collector's box

Tech specs:

K.O.II highlights

Sampling frequency: 46 kHz / 16-bit
Internal signal chain: 32-bit
999 sample slots
64 mb memory
Preset samples
High resolution sequencer
Built-in FX
Fader and pressure sensitive pads
Six stereo voices, twelve mono
Runs on 4x AAA batteries with the option to be powered via USB-C

Dimensions and weight

240 mm x 176 mm x 16 mm
9.45" x 6.93" x 0.63" inches
620 g / 22 oz

Stereo input

24 bit
SNR: 96 dba
Analogue gain: 0 - 12 dB
Max level: 8 DBU, 2.0 VRMS

Stereo headphone/line output

24 bit
SNR: 98 dba
Max level: 5 DBU, 1.4 VRMS

MIDI input and output
TRS type A, MMA compliant

Sync input and output
Sync 8 ppm, 16 ppm, 24 PPQN
Start / stop

Notes: *** New features in version 2.0 ***

The new features expand its capabilities meaning it's easier to use whilst making it a more flexible music production tool.

Resampling

Patterns and tracks can be resampled by internally recording the audio output into a new sample. Real-time resampling of your keyboard playing is also possible.

Chopping

Two new voice modes called 'Drum' and 'Chop' auto-slice samples easily with the newly developed Downbeat Divider*. Sliced sections of a sample are then spread across the keyboard making finger drumming possible.

Remix Effect

A beat repeater effect 'R.MIX', added to the master effect options, makes glitchy real-time performances possible.

The new features are designed to work well with each other so you can easily create drum tracks with auto-slicing and record lively performances that are not constrained by the grid of the internal step sequencer.You can also resample samples and tracks for infinite effects processing.

A quirky take on sampling from this 12-bit groovebox inspired by classic 12-bit samplers like the Akai MPC60. Gritty, distinctive sound and some nice sequencing options.

Supplier's Notes:
Retro sampling engine with 12bit Sampler mode

The LIVEN Lofi-12 has a 16bit - 12kHz/24kHz sampling engine with the 12bit Sampler mode that will turn any sound into a pleasing lo-fi sound.

Like the many legendary samplers that were released in the late 80s, this is a genuine low-bit and low sampling frequency sound that cannot be obtained authentically with bit crusher effects and other modern sound degrading tools.

Up to 4 seconds mono sampling per sample slot (2 seconds mono sampling at the 24kHz mode). Start and end point trimming, pitch adjustment, reverse playback, sustain loop, filtering and LFO modulation are all possible.

Easily play samples chromatically across the keyboard

Sounds sampled by the LIVEN Lofi-12 are automatically assigned to the keyboard and can be played easily at different pitches.

The well-known vintage sampler technique of sampling a 33 RPM vinyl at 45 RPM then slowing it down created the gritty, lo-fi sound that is often heard in '90s hip-hop.
The LIVEN Lofi-12 makes it easy to recreate that sound!

80 carefully selected lo-fi preset sounds are included.

Powerful 4-track sequencer with parameter and sound locking
The LIVEN Lofi-12 is equipped with the powerful 4-track step sequencer that has earned the LIVEN XFM a solid reputation.

You can easily create a 4-part song by selecting a sampled sound for each track, and with the Sound Lock function, you can easily switch sampled sounds for each phrase or sequencer step, allowing you to use an almost infinite combination of sounds within a single song.

Sequence up to 64 steps per pattern.

Save up to 64 patterns.

Sub-divide the tempo down to 32nd notes.

Program notes step by step or record them in real time. Additionally, you can also input notes to specific steps while the sequencer is playing to add variation.

The Parameter Lock function allows you to record knob changes into your patterns. This can be recorded live, or programmed in step by step.

The Sound Lock function allows you to record selected sound changes into your patterns. You can use an almost infinite combination of sounds within a single song.

Laid-back knob for creating drunk beats
The Laid-back knob on the LIVEN Lofi-12 allows you to delay the start of the selected sampled sound.

For example, you can slightly delay the snare drum sound in your drum pattern, or use the Parameter Lock function to shift the sound timing later for each step individually.

11 types of Effects each track and 8 types of Master Effect
The LIVEN Lofi-12 features independent effects on all four tracks.
You can select from 11 types of effects from the LIVEN series, and the effect parameters can be automated in steps using the Parameter Lock function.

In addition, 6 types of high-quality Reverbs + Cassette Tape Simulator and Vinyl Simulator are included as the master effect.
The send amount can be adjusted for each track for mixing.

Specifications

Sampler
16bit - 12kHz or 24kHz (switchable) linear PCM sampling (mono)
12bit Sampler mode
Sampling up to 4 seconds per sample (12kHz) or 2 seconds per sample (24kHz)
Auto start sampling function with the input level (input level can be set)
Start/end point, attack, release, pitch, and level adjustment
Reverse playback
Sustain loop settings
Maximum polyphony: 10 voices
128 sample memory slots (16 x 8 banks)
Import and export of a slot or banks of samples (via MIDI)
*Import of audio files from PC/Mac is not supported.


10-note polyphonic mode
Mono mode with adjustable glide time
Legato mode with adjustable glide time
Arpeggiator modes (Up, Down, UpDown, DownUp, Up&Down, Down&Up, Up+1, Up+2, Down-1, Down-2, Random, Play Order)

Filter
Low Pass
High Pass
Band Pass
Each track has its own filter and envelope

LFO
Each track has one LFO which can affect both pitch and filter cutoff with separate adjustable levels
Adjustable LFO Shapes
Adjustable start time delay for each LFO

Sweep
Sweep with adjustable speed, range, and curve

Effects

Track effects

One effect per track
Chorus
Flanger
Tremolo
Delay
Distortion
Bit Crusher
Low Pass Filter
High Pass Filter
Isolator
Tilt EQ
Compressor

Master effects

Reverb send amount can be set independently for each track
Hall Reverb
Room Reverb
Arena Reverb
Plate Reverb
Tunnel Reverb
Infinity Reverb
Cassette Tape Simulator
Vinyl Simulator

Sequencer

4 tracks
Up to 64 steps per pattern
64 patterns
Step length can be set from 1/1 to 1/32
Real-time recording
Directly enter notes for each step when playback is on or off
Enter longer notes (Tied notes)
Metronome and pre-count function
Step copy and paste function
Track copy and paste function
Transpose function
Swing function
Pattern BPM / Global BPM can be set
Pattern chain function

Notes: The first release from Teenage Engineering's EP Series. Sample, program, sequence and produce in one compact, retro box. Bundled here with the extremely limited edition EP-133 KO II vinyl volume one.

Supplier's Notes:
Get ready for round 2

Meet the next evolution of the world's most sold sampler. based on the legendary PO-33 K.O!, the new EP-133 K.O. II adds more power, more sampling capabilities, a fully reworked sequencer and brand new punch-in 2.0™ effects. introducing a workflow that lets you go from idea to track faster than ever. it's pocket operators gone pro.

The champ is here

A versatile machine with an impressive set of features, K.O. II is the new champion in and outside the studio. unrivaled by anything in its class, this is the sampler you've always wanted at the incredible price of just $299

Record sounds around you, sample your voice, favorite synths, vinyl records or whatever audio that you've got on your phone.

Sequence your samples and loops. make use of the curated selection of drums, bass and keys that come pre-loaded on your K.O. II.

Tweak and automate things like filter, pitch and more... add stereo effects, compressor and next generation punch-in effects.

The sequencer engine of the K.O. II provides an intuitive, fast way of building up beats and variations using 4 groups x 12 patterns. like most DAWs, you can instantly swap patterns per group, experiment with different combos to find what beat and bass lines work together. the commit button helps you freeze a point in time and move on, adding a verse or a break. it all happens in real time while playing.

One-two punch

vintage style keys with a modern touch, combining tactility with pressure sensitivity.

EP-133 K.O. II vinyl

A 10" record full of sounds for your creative soul to digest. side a contains a mix to make you laugh or love. side b provides you with one-shots and other sounds ready for manipulation. a record to fit every musical preference imaginable. (Two-sided 10" vinyl, weight: 170 g | 6 oz, 45 rpm)

Notes: ***B-STOCK: Box opened and product used, product in perfect working order***


A creative new approach to sampling, the first release from Teenage Engineering's EP Series is an evolution of the PO-33 K.O! Pocket Operator. Sample, program, sequence and produce in one comapact, retro box.

Supplier's Notes:
Get ready for Round 2

Meet the next evolution of the world's most sold sampler. Based on the legendary PO-33 K.O!, the new EP-133 K.O. II adds more power, more sampling capabilities, a fully reworked sequencer and brand new punch-in 2.0™ effects. Introducing a workflow that lets you go from idea to track faster than ever. It's pocket operators gone pro.

The champ is here

A versatile machine with an impressive set of features, K.O. II is the new champion in and outside the studio. Unrivaled by anything in its class, this is the sampler you've always wanted.

Record sounds around you, sample your voice, favorite synths, vinyl records or whatever audio that you've got on your phone.

Sequence your samples and loops. Make use of the curated selection of drums, bass and keys that come pre-loaded on your K.O. II.

Tweak and automate things like filter, pitch and more... add stereo effects, compressor and next generation punch-in effects.

Knock out features

9 projects each with 80,000 notes
Projects contain 4 groups, each with 99 patterns
Patterns have 12 tracks for samples and midi
Variable pattern length per group (1 to 99 bars)
12 mono / 6 stereo voice polyphony
Use groups to mix and match patterns on the fly
Record and automate all 12 fader assignments
Sequence in free time or quantized with swing
Assign any pad to one of 16 midi channels
Loop mode from OB-4 with length and slide
12 pressure and velocity sensitive pads
Instantaneous time correction and erase
Slice samples live or automatically
Stereo / mono sampling at 46.875 kHz / 16-bit
Punch-in 2.0: effects (pressure sensitive)
Arrange quickly using the instant commit feature
32-bit float signal chain, 24-bit ADC/DAC
Sync io for ext. Gear. 8th, 16th note or sync24
6 built-in send FX and a master compressor
Drag and drop samples using the sample tool

The sequencer engine of the K.O. IIO provides an intuitive, fast way of building up beats and variations using 4 groups x 12 patterns. Like most DAWs, you can instantly swap patterns per group, experiment with different combos to find what beat and bass lines work together. The commit button helps you freeze a point in time and move on, adding a verse or a break. It all happens in real time while playing.

Built-in mic and speaker
USB-C
Midi output
Midi input
Sync output
Sync input
Audio input
Audio output
4x AAA batteries

One-two punch

Vintage style keys with a modern touch, combining tactility with pressure sensitivity.

10" EP format

Comes in a limited edition 10" collector's box

Tech specs:

K.O.II highlights

Sampling frequency: 46 kHz / 16-bit
Internal signal chain: 32-bit
999 sample slots
64 mb memory
Preset samples
High resolution sequencer
Built-in FX
Fader and pressure sensitive pads
Six stereo voices, twelve mono
Runs on 4x AAA batteries with the option to be powered via USB-C

Dimensions and weight

240 mm x 176 mm x 16 mm
9.45" x 6.93" x 0.63" inches
620 g / 22 oz

Stereo input

24 bit
SNR: 96 dba
Analogue gain: 0 - 12 dB
Max level: 8 DBU, 2.0 VRMS

Stereo headphone/line output

24 bit
SNR: 98 dba
Max level: 5 DBU, 1.4 VRMS

MIDI input and output
TRS type A, MMA compliant

Sync input and output
Sync 8 ppm, 16 ppm, 24 PPQN
Start / stop