EP–40 riddim is a 128 MB sampler and composer. featuring an on-board bass and lead synth, a massive reggae, dub and dancehall sound library, a dedicated dub siren, a dedicated live mode and eight user remixable artist tracks from top producers. the ep–40 riddim is a complete rhythm and bass system.
sample directly from your favorite source using the built in mic or 3.5 mm input jack. sync and sequence your entire setup using sync and midi in/out. power it all with just 4x AAA batteries. make your next hit with punch-in effects 2.0™ then wash out your favourite sounds with the built in FX. 
notice. read this first.
battery information:
  1. install only new batteries of the same type.
  2. make sure to only insert batteries in the correct polarity, as indicated in the battery compartment.
  3. do not mix old and new batteries.
  4. do not mix alkaline, standard (carbon-zink) or rechargeable (nickel cadmium) or (nickel metal hybride) batteries.
  5. do not dispose of batteries in fire.
  6. batteries should be recycled or disposed of as per state and local guidelines.

fcc statement:note: this equipment has been tested and found to comply with the limits for a class b digital device,pursuant to part 15 of the fcc rules. these limits are designed to provide reasonable protection against harmful interference in a residential installation. this equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. however, there is no guarantee that interference will not occur in a particular installation.;
if this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures;
  • reorient or relocate the receiving antenna
  • increase the separation between the equipment and receiver
  • connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • consult the dealer or an experienced radio/tv technician for help.

this device complies with part 15 of the fcc rules.operation is subject to the following conditions;
  1. this device may not cause harmful interference, and
  2. this device must accept any interference received, including interference that may cause undesired operation.

caution: changes or modifications not expressly approved by the party responsible for compliance could void user’s authority to operate the equipment.
ices statementcan ices-003 (b) / nmb-3 (b)


teenage engineering warrants that this product will be free from defects in material or workmanship for a period of 12 months from the date of teenage engineering’s shipment of the product to you, the customer. in the event of a defect covered by this limited warranty, teenage engineering will, at its option and free of charge to customer, repair, replace or refund the purchase price paid.
TEENAGE ENGINEERING MAKES NO OTHER EXPRESS WARRANTIES EXCEPT AS PROVIDED HEREIN, AND ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHALL ONLY BE IN EFFECT DURING THE 12 MONTH WARRANTY PERIOD PROVIDED HEREUNDER. TEENAGE ENGINEERING'S LIABILITY ON ANY WARRANTY CLAIM SHALL BE LIMITED TO THE ACTUAL PURCHASE PRICE PAID. TEENAGE ENGINEERING SHALL NOT BE RESPONSIBLE TO CUSTOMER OR ANY THIRD PARTY FOR ANY CONSEQUENTIAL, INCIDENTAL OR INDIRECT DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, LOSS OF DATA, REVENUES, SALES, BUSINESS, GOODWILL OR USE.
what does this limited warranty not cover?
teenage engineering has no obligation to repair, replace, or provide refunds in the following instances:
  • if the alleged defect arises because customer has altered or repaired the product without the prior written consent or authorization of teenage engineering;
  • Tactile feedback may vary between keys and is not considered a defect of the unit.
  • if customer did not follow any applicable instructions for proper storage, usage, or maintenance of this product;
  • if customer has failed to notify teenage engineering of any defect where the defect should have been reasonably apparent on inspection; or
  • if customer fails to notify teenage engineering of the defect within 12 months of teenage engineering's shipment of this product to customer. this limited warranty does not cover the cost of shipping the defective product to teenage engineering for repair, or the cost of shipping the repaired or replacement product to you. how do customers receive warranty service? please call your teenage engineering customer service representative for details on how to raise an issue in relation to your product.
intellectual property rights
this product contains intellectual property right material (the “material") owned by teenage engineering.
protected material

the material within this product includes, but is not limited to, samples, sound files, style data, accompaniment patterns, phrase data, audio loops, and image data.

permitted usage

you are permitted to use the material in the creation, performance, recording, and distribution of your own original creation.

prohibited usage

you are prohibited from redistributing, reselling, leasing, sharing, reproducing, or publicly displaying the material in its original or modified form, including through online platforms, public performances, broadcasts, or as part of derivative works, unless it is substantially transformed into an original creation.


respect for third-party copyrights

you are responsible for ensuring that your use of the product does not infringe on any third-party copyrights. teenage engineering assumes no liability for any copyright infringements that result from the use of this product.

protected trademarks

teenage engineering holds all rights to its registered trademarks.


what's in the box
check that the following items are included when you open the box
EP–40 unit
4x knobs
quick start guide
paper pulp box
index
click on the section youwant to read more about
((1))
hardware overview
1.1
inputs/outputs
1.2
sync connections
((2))
power on
((3))
screen
3.1
icon map
((4))
buttons and combos
4.1
groups
4.2
pads
4.3
- and +
4.4
shift
4.5
fader
4.6
x and y knobs
4.7
timing
4.8
sample
((5))
guide conventions
((6))
workflow
6.1
commit
6.2
song mode
6.3
live state
((7))
get started
7.1
make a beat from scratch!
7.2
sequence a beat from scratch!
((8))
modes
8.1
sound
8.1.1
supertone
8.2
sound edit
8.2.1
sound mode
8.2.2
trim
8.2.3
supertone parameters
8.2.4
envelope
8.2.5
time
8.2.6
midi
8.2.7
mute group
8.3
main
8.3.1
song mode
8.4
live state
8.5
tempo
8.5.1
time signature
8.5.2
tempo match
((9))
play and record
9.1
live record
9.2
step sequence
9.3
loop startup sequence
9.4
keys mode
9.5
fader
9.6
copy / paste
9.7
erase and undo
9.8
offset notes
((10))
functions
10.1
sample
10.2
sample tool
10.3
chop
10.4
timing
10.4.1
note repeat
10.4.2
timing correct
10.5
loop
((11))
effects ( fx )
11.1
delay
11.2
reverb
11.3
distortion
11.4
chorus
11.5
filter
11.6
compressor
11.7
phaser
11.8
PUNCH-IN FX 2.0™
11.9
live input fx
11.10
output
11.10.1
sidechain
((12))
how to
12.1
make your own loops with resampling
12.2
connect ting to riddim
12.3
enable velocity sensitivity
12.4
change the scale in keys mode
12.5
turn on the metronome while playing
12.6
sync two riddim units
12.7
sync a pocket operator to riddim
12.8
sync riddim to a pocket operator
12.9
sync riddim to a vintage drum machine
12.10
control riddim with a midi keyboard
12.11
sequence external midi with riddim
12.12
resample a chord
((14))
system
14.1
midi implementation chart
14.2
midi note map
((15))
erase drive
((16))
technical specifications 
((17))
credits
((18))
warnings, warranty and fcc