900 Watts of Multi-Band Distortion Architecture in a Collector's Chassis
The Guitar Sanctuary is proud to present the Darkglass Electronics Microtubes X 900 Limited Edition Bass Amplifier Head. Engineered for modern bassists who demand razor-sharp high-frequency saturation without sacrificing deep, sub-bass articulation, this limited-run flagship amplifier pairs a massive 900-watt Class-D power section with Darkglass's legendary X-series multi-band crossover engine.
The Microtubes X 900 solves the ultimate bass tone dilemma by splitting your signal into low and high frequency bands through active crossover filters. The low band remains completely clean and tightly compressed for thunderous bottom-end authority, while the high band is pushed into rich, harmonically complex distortion. Wrapped in an exclusive laser-etched laser-finished chassis with full MIDI control, graphic EQ, and IR cab simulation, the X 900 is the ultimate modern bass engine for stage and studio.
Product Intelligence & Tone Mapping:
- Best For: Modern Metal, Progressive Rock, Fusion, Studio Sessions, and Direct-to-FOH World Touring Rigs
- Tone Profile: Sub-Bass Clarity, Razor-Sharp Mid/High Saturation, Ultra-Tight Dynamics, Maximum Headroom
- Compared To: Darkglass Microtubes 900 v2, Darkglass Alpha·Omega 900, Mesa/Boogie Subway D-800+
- Sanctuary Expert Note: If you drop-tune or play 5/6-string bass, standard overdrive can turn your low-end to mud. The X 900's multi-band crossover keeps your fundamental low frequencies 100% clean and compressed while saturating only the upper harmonics, giving you incredible mix clarity.
Key Performance Features & Hardware Matrix:
- 900 Watts RMS Output: Ultra-high headroom Class-D power amplifier capable of driving 2-ohm speaker loads for massive stage volume.
- X-Series Multi-Band Engine: Variable High-Pass and Low-Pass Crossover controls dictate exactly where distortion starts and clean low-end ends.
- 6-Band Active Graphic EQ: Ultra-precise frequency shaping for surgically cutting or boosting problem frequencies in any room.
- Studio-Grade Dual Compression: Dedicated low-band compressor circuit keeps low-frequency transients punchy and controlled.
- High-Resolution IR Cabinet Simulation: Load custom Cabinet Impulse Responses for direct recording or FOH output via twin XLR Direct Outputs.
- MIDI & Darkglass Suite Integration: Full MIDI control over preset channels, mute, and IR switching, plus USB-C connection for deep editing via the Darkglass Suite app.
Technical Specifications:
- Amplifier Type: Solid State Class D
- Power Rating: 900 Watts RMS @ 4 Ohms / 2 Ohms (450W @ 8 Ohms)
- Preamp Section: Analog Multi-Band Crossover Engine with Digital Recall & IR Processing
- Inputs: 1 x 1/4" Instrument (w/ Passive/Active Pad), 1 x 1/8" Aux In, MIDI In
- Outputs: 2 x SpeakON 1/4" Combo Speaker Out, 2 x Balanced XLR DI Out (Pre/Post), 1 x 1/4" Headphone Out
- Effects Loop: 1 x 1/4" Send, 1 x 1/4" Return
- USB & Software: USB-C Port for Darkglass Suite App (Preset, IR & EQ Management)
- Finish: Limited Edition Custom Laser-Etched Graphic Finish
Input Impedance: 1.1 MO
Minimum Load Impedance: 2.5 O
Maximum Power Output: 900 W RMS 4 O (1 kHz full blast, 2 min. max) 20% THD, 450 W RMS v@ 8 O
Power Amp Input ( Impedance: 100 kO
Power Amp Input ( Level: 2 Vrms (max before 1% THD)
Pre Amp Output ( Impedance: 1 kO
Pre Amp Output ( Level ( 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
We are open Tuesday-Saturday from 10am until 6pm CDT.
Any order placed before 3pm CDT Tuesday through Saturday is processed for shipment the same day. Orders placed Sunday-Monday will be processed for shipment the following Tuesday.
For Free Shipping items, Effects pedals and small goods items are generally shipped via USPS Ground Advantage, and Guitars and Amplifiers are generally shipped via UPS Ground.
Due to our central location in the middle of the US, most orders will be delivered within 1-3 days delivery time.
Other shipping methods are available (at an additional cost), including next day air.
Please call us directly at (972)540-6420 if you have any questions regarding shipping for your order.
