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Darkglass Microtubes X900 Bass Guitar Amplifier 900w Amp Head

IN STOCK - Ships today if ordered before 1pm AEST

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Product Information

A quest to be tackled relentlessly. Meticulously crafted with the target of achieving exceptional power with unprecedented precision, with no concessions or shortcuts.We are proud to introduce the groundbreaking X900 amp. Designed after the revered X series pedals, this amplifier sets a new standard for accuracy and control. Packed with a Class D 900-watt amplifier and an ultra-quiet 6-band graphic equalizer that can sculpt the tone from aggressive and overdriven to crystal clear clean to suit everyone’s needs.The X distortion circuit allows users to select exactly what frequencies they want to compress and saturate for the low and treble, respectively. Featuring MIDI for channel switching, and muting programmability, impulse response cabinet simulation, with up to three different storable virtual cabinets, auxiliary input, and headphone output, offering unmatched versatility and control. A true companion on musical touring.


  • Passive/Active: Use this push-button switch to change from passive to active mode.
  • X: Use this push-button to turn on or off the Microtubes X Engine.
  • Clean Comp: Use this push-button switch to activate the compressor circuit for the clean channel.
  • Vol (Clean Comp): Sets the level of the clean channel when the compressor is engaged.
  • HPF (High Pass Filter): Controls the cutoff frequency of the high pass filter which is applied before the clean signal is fed to the distortion circuit to be distorted.
  • Drive: Sets the amount of distortion for the high pass side.
  • Mix: Controls the blend between the compressed lows and the distorted highs.
  • LPF (Low Pass Filter): Controls the cut-off frequency of the low pass filter which is applied before the clean signal is fed to the compression circuit to be mixed back to the high-pass side.
  • Comp: Controls the amount of compression for the low band when X is activated.
  • Level: Sets the output volume of the X channel.
  • Low shelf: +-12 dB @ 80 Hz.
  • 250 Hz / 500 Hz / 1,5 kHz / 3 kHz: +-12dB.
  • High shelf: +-12 dB @ 35 kHz.
  • Master: Sets the overall volume of the unit.
  • Mute: Use this push-button to mute the amplifier.


  • Input Impedance: 1.1 M
  • Minimum Load Impedance: 2.5
  • Maximum Power Output: 900 W RMS @ 4 (1 kHz full blast, 2
  • min. max) 20% THD, 450 W RMS v@ 8
  • Power Amp Input (Return) Impedance: 100 k
  • Power Amp Input (Return) Level: 2 Vrms (max before 1% THD)
  • Pre-Amp Output (Send) Impedance: 1 k
  • Pre-Amp Output (Send) Level (max): 2.2 Vrms (max before 1%
  • THD)
  • Maximum Power Consumption: approx. 700 VA
  • Cooling: Forced-air cooled
  • AC Input Power: 100-250 VAC
  • AC Frequency: 50/60 Hz


1 Year Warranty

Shipping & Delivery

All orders over $100 will be automatically eligible for FREE Shipping Australia Wide, if you order is under $100 there will be a flat rate of $10.

Belfield Music is well known for its top online customer service. We treat all online customers with the same excellent service we give to our in store customer. We will ensure that you receive all the support you need while your goods are in transit and ensure the goods arrive promptly. All of our shipments have tracking numbers available and we cover every single unit by our own shipping insurance.     

Online orders are normally processed within 1-3 business days. Once processed, your order should take between 1-8 business days to arrive depending on your location. Please note that your order may take up to 10 business days to arrive from the day you place your order. 

If it transpires that the product is out of stock due to a stock discrepancy and/or there will be a delay in shipment, we will contact you within 2 business days of placing your order and give you the option of waiting or cancelling your order. The products we advertise online should show if they are in stock or not. We do our best to keep the website stock count up to date, but there may be an occasional error.

If you wish to utilize an Express Delivery Service to receive your item, please contact us for a shipping quote before you place your order at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.           

Deliver is made during the hours from 8:00am till 5:30pm Monday to Friday. As such, please ensure you nominate an address which is capable of receiving goods during 8am and 5.30pm.  Given the restrictions on PO Box deliveries we cannot deliver larger sized items to a PO Box.

If for any reason our selected carriers don't service your area we will contact you before processing your order if this applys to you.

Returns Policy

If you wish to return an item which is not damaged or faulty in any way and you have simply changed your mind or made the wrong decision, you must let us know within 7 days of receiving the item.  We will not agree to refund an item because you simply changed your mind or made the wrong decision if we have not been advised of your intention within 7 days of receiving your item. Once we have provided a return authority, it is the buyer’s responsibility to return the item, at their own costs within 30 days from original purchase. If the item is returned with any damage or alteration to its original packaging, we will refund the item subject to applying a minimum 15% restocking fee.  We will not refund the costs of the initial shipping charges.

It is in Belfield Music best interests to keep our customers happy with their purchases. If you are not happy with your purchase, please talk to us first. We will always attempt to resolve any problems you may have as best we can. To contact us please email us at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.