Synthstrom Audible is a boutique electronic musical instrument manufacturer based in Wellington, New Zealand. The company was founded by Rohan Hill, a drummer, guitarist and engineer who began prototyping a custom piece of hardware in his bedroom, and later partnered with A Low Hum's Ian Jorgensen in 2014 to bring the project to a wider audience.

The brand is best known for the Deluge, an all-in-one portable synthesizer, sampler and sequencer built around a grid of 144 pads. The Deluge combines subtractive, wavetable and FM synthesis with multi-track sequencing, sampling, CV/gate and MIDI output (including MPE), and a suite of onboard effects such as delay, reverb, chorus, flanger, phaser and bitcrusher. It is powered by an internal rechargeable battery, aimed at both studio composition and standalone live performance.

Synthstrom Audible has cultivated a strong community around the Deluge through official forums, firmware updates and an open-source firmware release on GitHub, which lets users and third-party developers extend the instrument's capabilities. The company also operates a small record label under the Synthstrom name.

Synthstrom has 3 products cataloged on Equipboard, including Synthesizers and Production & Groove. Their gear is featured by 2 artists, with the strongest followings in Electronic, Rock, and Children's. Notable users include Andrew Huang and CUCKOO.