The Sonicake Amphonix is a Bluetooth headphone guitar amplifier with built-in multi-effects, aimed at silent practicing at home or on the move. Sonicake describes it as its "new generation Bluetooth headphone guitar amplifier" and an "Ideal Carry-On/Bedroom Guitar Multi-Effects with Headphone Amplifier for Silent Practicing."1 It plugs between your guitar and headphones, so you can practice without an amp or speaker, and it carries a list price of $39.99 USD as of the maker's product page.2
What it does
The Amphonix combines a headphone amplifier with a compact multi-effects section. Sonicake says it offers "everything you need for clean natural tone, toasty overdrive, and even heavy metal, ALL IN ONE!"1
"everything you need for clean natural tone, toasty overdrive, and even heavy metal, ALL IN ONE!"
At its core are six amp modules built on Clean, Overdrive and Distortion amp models that Sonicake describes as based on the world's most famous amplifiers, each with cabinet simulation so the headphone signal sounds like a mic'd cab rather than a raw preamp.1
Tone shaping is handled by what Sonicake calls a "four-dial hi-def tone shaping control" layout.1
Specifications at a glance
| Specification | Value |
|---|---|
| Type | Bluetooth headphone guitar amp with multi-effects1 |
| Amp modules | 6, built on Clean, Overdrive and Distortion models with cab simulation1 |
| Tone controls | Four-dial hi-def tone shaping control1 |
| Audio inputs | Guitar input, aux in jack, Bluetooth audio input3 |
| Battery | Lithium battery, over five hours of continuous use, USB charging1 |
| Weight | 63g1 |
| Dimensions | 96mm(D) x 43.2mm(W) x 33.5mm(H)1 |
| List price | $39.99 USD2 |
Playing along with music
For practice along with tracks, the Amphonix takes audio in two ways:
- An aux in jack for jamming on your favorite tracks3
- Bluetooth audio streamed from a phone or computer3
The Amphonix supports Bluetooth input only. Sonicake states it cannot connect to a Bluetooth amplifier or speaker, so it will not send your guitar sound wirelessly to a Bluetooth speaker.1
Power and portability
The unit runs from a specially designed lithium battery that Sonicake says brings over five hours of continuous use, recharged over USB.1 At 63g and 96mm deep by 43.2mm wide by 33.5mm high, it is a pocket-sized unit in the same spirit as other Sonicake headphone amps like the Sonicake Pocket Master.1
Where it sits in Sonicake's range
The Amphonix is Sonicake's carry-on and bedroom practice option. Players who want a full floor multi-effects unit rather than a headphone amp can look at the Sonicake Matribox II or Sonicake Matribox II Pro, and the maker's wider line is covered on the multi-effects pedals page13.
Videos
SONICAKE
TheSuperFunAwesomeHappyTimePedalShow
Guitar Safari
Questions
Does the Sonicake Amphonix have Bluetooth output?
No. According to Sonicake, the Amphonix only supports Bluetooth input, for example streaming background music from a phone or computer. It cannot connect to a Bluetooth amplifier or speaker, so audio out is via headphones or the aux connections rather than a wireless link.
How long does the Sonicake Amphonix battery last?
Sonicake says the Amphonix uses a specially designed lithium battery that delivers over five hours of continuous use. The battery is recharged over USB.
How do you charge the Sonicake Amphonix?
The Amphonix charges by USB. Sonicake states that its built-in lithium battery brings over five hours of continuous use once charged, so a standard USB charge covers a long practice session.
How many amp models does the Sonicake Amphonix have?
The Amphonix has six amp modules, built on Clean, Overdrive and Distortion amp models that Sonicake describes as based on the world's most famous amplifiers, each with cabinet simulation.
Can you play along with music on the Sonicake Amphonix?
Yes. The Amphonix has an aux in jack for jamming along with your favorite tracks, and you can also stream backing music from a phone or computer over Bluetooth, since it supports Bluetooth audio input.
How much does the Sonicake Amphonix weigh?
The Amphonix weighs 63g, with dimensions of 96mm deep, 43.2mm wide and 33.5mm high, so it is a pocket-sized unit meant to be carried around.
Sources (3)
- SONICAKE Amphonix, Sonicake
- US Madness Guitar Bass Headphone Amp with Chorus Effect, Sonicake
- SONICAKE Amphonix, Sonicake









