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Gsus4 Australia's Premium Music Gears Supplier

03/11/2026

The legendary Gladio is back! Meet the GLADIO MK3 - the return of one of the most sought-after Dumble-inspired dual preamps, completely refined for greater flexibility, dynamics and touch sensitivity.

Two independent channels, new Deep and Ratio controls, 30V internal headroom and flexible signal routing. From smooth, expressive breakup to rich, harmonically saturated leads, the Gladio MK3 brings that unmistakable amp-like feel back to your pedalboard.

30/10/2026

EarthQuaker Devices just released the JR with MOSFET MOD.
Limited Run. You know what to do! 👀

29/10/2026

Our local Sydney fam at Franklin Audio Devices just released the new RA-200!

This stereo re-amp and return lets you send drums, vocals, synths or guitars from your DAW through your favourite pedals and record them back in. Blend it with the Wet/Dry control and give your pedal collection a whole new life in the studio.

26/10/2026

We have a new improv jam here in Sydney?
👀



13/10/2026

Why do we sell McPherson Guitars at 𝔾𝕤𝕦𝕤𝟜 | Music Gear & Supply Co ?

Let’s face it. Wooden guitars are amazing, but they can be a nightmare to maintain.

Here’s why McPherson Carbon Fibre guitars are different.

• No warping or bulging – An incredibly durable carbon fibre body built to withstand the elements.

• No truss rod needed – A remarkably strong and stable neck that doesn’t require traditional adjustments.

• Cantilevered Fingerboard – The fingerboard floats above the soundboard without touching it, allowing the top to vibrate more freely for maximum resonance.

• Incredible Acoustic Tone & Sustain – Unlike many carbon fibre guitars that can sound boxy and lack sustain, McPherson delivers a rich, open acoustic sound with sustain that seems to go on forever.

All the tone. None of the headaches.
That’s why we love McPherson guitars at Gsus4.

10/10/2026

Introducing the Flex-10 Audio Interface!

• 10-In / 12-Out USB-C Audio Interface
• 32-bit / 192kHz Conversion
• 2 Harrison Mic Preamps
• H-DRIVE Real Transformer Saturation
• Classic Harrison High & Low Pass Filters
• 2 Hi-Z Instrument Inputs
• Balanced Inserts on Both Channels
• ADAT & MIDI I/O
• Dual Monitor & Headphone Outputs
• Classic Analogue VU Meters
• Includes Harrison Mixbus 12 DAW & Creator Pack

Legendary Harrison console sound, right on your desktop.

09/10/2026

What’s new with the PLUS Pedal II?

• New Spectral Sampling Engine
• Auto Layer Catch
• Up to 10 layers + Infinite Layering
• Dual Resonance Engine
• New Optical Pedal Control
• XLR input with built-in mic preamp
• PRE / INSIDE / POST FX loop routing
• LED Halo display

In stock now at Gsus4 👍

06/10/2026

Asheville Music Tools APH-12 PLUS is in stock now! 👀

03/10/2026

Restock of the week 👀

03/10/2026

& FANS — YOU’LL WANT TO SEE THIS! 🚨

All Rodenberg pedal is officially RESTOCKED, and we’ve also landed the NEW Daphne and SL-OD Deluxe REDLINE! 🔥

And check this out… one of our SL-OD Deluxe REDLINE is serial #003 super early production! 👀

Address

267 Victoria Road Rydalmere SYDNEY NSW
Rydalmere, NSW
2116

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