Zoom 504ii acoustic Fx pedal

Specification Details
Built-in effects Max 10 simultaneous / 33 total
Patches 36 patches (6 banks × 6 patches)
A/D converter 16-bit, 64x oversampling
D/A converter 16-bit, 8x oversampling
Sampling frequency 31.25 kHz
Input Standard mono guitar jack
Input impedance 470 kΩ
Rated input level -20 dBm
Output Stereo jack (line/headphone output)
Max output level +5 dBm
Output load impedance 10 kΩ or more
Power supply 9V DC adapter or 4× AA batteries
Battery life ~28 hrs alkaline / ~8 hrs manganese
Optional controllers Zoom FS01 footswitch, FP01/FP02 expression pedal
Display 2-digit 7-segment LED
Dimensions 145 × 125 × 40 mm
Weight 280 g (without batteries)

Main onboard effect sections:

* AIR
* HIGH/TOP EQ
* LOW/BODY EQ
* TYPE simulator
* LIMIT/EDGE
* EFFECT
* DELAY & REVERB
* De-AMP
* Feedback Suppressor
* Patch Level

Notable features for acoustic players:

* Automatic feedback suppression
* Acoustic body simulation
* Acoustic wah
* Resonator/emphasizer sounds
* Chorus, doubling, delay, reverb
* Built-in tuner
* Can simulate acoustic tones from an electric guitar

A few factory patch names:

* BAND LEAD
* SPACY-12
* WHITE PAD
* ACOUSTIC DRIVE
* HAWAIIAN STEEL
* DELTA BOTTLE
* STREET BLUES