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Mission Engineering GM2-BT Gemini II 2x12 220W Guitar Cabinet with Bluetooth Interface   

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Gemini 2 is the world' first stereo FRFR system designed for use with modelers and software-based guitar systems. Gemini 2 features a 2 x 12³ full ra...Click To Read More About This Product

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The perfect choice for players who use tone modeling.

Gemini 2 is the world' first stereo FRFR system designed for use with modelers and software-based guitar systems. Gemini 2 features a 2 x 12³ full range digital amplified speaker cabinet with integrated studio quality USB audio interface.

Mission EmPower Technology features multi-channel class D power amplifiers, active crossovers with variable EQ, and full-range co-axial drivers, all designed from the ground up to work together as the perfect amplification solution for modeling systems.

Gemini 2 features a 2 x 110W internal amplifiers, 2x12³ low-frequency drivers, with 1³ coaxial high-frequency drivers providing a stereo solution in a single cabinet. Gemini 2 works perfectly with guitar processors with stereo outputs. Get the best out of ping pong delays, and swirling rotary speaker emulations. Create dual path patches assigning different cab sims to the different physical drivers. Blend clean and dirty signal chains to get you ultimate tone.

Pro-audio ¼ jack and XLR connectors, high-speed USB, and optional Class 2 stereo Bluetooth wireless interfaces connect Gemini amps directly with software based guitar systems on computers, tablets and smartphones, as well as dedicated guitar processors. EmPower EQ control allows blending between a flat or a more traditional guitar cab frequency response. A switchable stereo output allows you to connect two Gemini units together. The studio quality onboard digital audio interface features bit perfect class 2 stereo audio with, selectable sampling rates up to 192KHz and 24bit. This allows you to play and record directly into your PC or Mac without any additional hardware.

Gemini's sophisticated power system provides a number of benefits not found in traditional guitar amplifiers. 100 “ 240 input voltage and 50/60 Hz compatibility means you can use Gemini almost anywhere in the world without requiring heavy and expensive transformers. Just connect directly to wall power wherever you are with a suitable cable. Power saving features such as a high efficiency power supply and deep sleep modes for internal components, mean Mission Gemini' use a fraction of the power of a regular amp, costing less to run, and wasting less energy. The included V-Lock power cable ensures the power is correctly connected, and protects against the cable being accidentally pulled out.

The Gemini 2 will grace any stage or studio. Each cabinet is hand made from 3/4³ void free, baltic birch with a high quality black Tolex covering, black basket weave acoustic speaker covering, and chrome hardware. Guitarists using a rack mount guitar processors such as the Fractal Audio-Axe-FX, Avid Eleven Rack, or Pod HD PRO can use the Gemini H, 19³ rack head and build the perfect modeling half stack. The Gemini 2 comes with sturdy rubber feet on both the base and one side and can be used with the speakers in side by side mode for normal stereo, or vertical mode for PA style use.

Note: In order to fully experience stereo sound using the Gemini 2 and certain rack mount processors like the Eleven Rack, a Y cable must be used. Sold separately.

High-speed USB 2.0
24-bit @192KHz
USB Audio Class 1 and Class 2
Support for Apple OSX 10.6.4 and above
Microsoft Windows 7 and Windows 8.

Bluetooth version 3.0
Backwards compatible with 2.1+EDR, 1.2 and 1.1
Bluetooth SIG and FCC certified
Embedded DSP
iAP profile discovery for Apple iPhone and iPad
Stereo input and output

2 x 110W stereo
103dB signal to noise ratio, A-weighted
103dB dynamic range, A-weighted
Mission EmPower active crossover with variable EQ.
110-240VAC power supply

2 x 12 Mission low-frequency driver
2 x 1 high-frequency compression driver
Titanium HF diaphragm
Co-axial configuration

¾ void-free Baltic birch
Black Tolex covering
Basket weave acoustic speaker cloth
Chrome hardware

Power: 220W (2 x 110W)
Speakers: 2x12" low frequency; 2x1" high frequency
Bluetooth 3.0 connectivity
Dimensions: 28" x 20" x 12"
Weight: 63 lb.

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Review Snapshot

by PowerReviews
Mission EngineeringGM2-BT Gemini II 2x12 220W Guitar Cabinet with Bluetooth Interface   

(based on 1 review)

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Reviewed by 1 customer

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(1 of 2 customers found this review helpful)


ElevenRack Owners Beware--Special Cable Required

By RBosque

from Florida

About Me Experienced

Verified Buyer


  • Clear Sound
  • Durable
  • Versatile


  • Bulky/Heavy

Best Uses

  • Amateur Recording
  • Home Studio
  • Performances

Comments about Mission Engineering GM2-BT Gemini II 2x12 220W Guitar Cabinet with Bluetooth Interface   :

After a rocky start, I'm very satisfied with the product; here's my experience with the Mission Gemini-2.

I ordered this FRFR to use with my Avid ElevenRack. My goal was to have, as close as possible, the same sound in a speaker system that I heard through my headphones when recording or practicing with my ElevenRack. I've tried doing that with PA systems but the sound has never been quite right. The sound coming through PA systems always sounded "artificial" to me rather than the more "organic" sounds I've become accustomed to from my tube amps. What's more, I was looking for a live sound solution that would not require me to take my vintage Leslie 17 (a.k.a. Vibratone) out of my home studio.

When the product arrived, it had a dent in one of the corner protectors (even though the box didn't appear to have damage to account for that). Then, when I turned the unit on, it made a very LOUD "POP" sound that was unexpected and disconcerting. Things only got worse from there.

When I plugged in my ElevenRack, the sound was in mono and, frankly, sounded hollow and pretty bad to my ears. I thought these issues were due to the unit being damaged in transit, but I continued to experiment with it and called Mission Engineering and I'm glad I did. As it turned out, the loud POP the unit makes when it's first powered up is "normal" for this amp and hey assured me it would not damage the drivers. I don't like it, but that's the way it is. As to the hollow mono sound, the reason had to do with the way the Gemini 2 interfaces with the ElevenRack (or any other modeler that has separate L & R outputs). As it turns out, you need a Y-cable that takes the two male XLR outputs and combines them into a single stereo TRS plug. The TRS plug is then plugged into the guitar input in the back of the cabinet. Mission sells such a cable on their website, but none of the sales literature seemed to explain that and Musician's Friend didn't carry the cable.


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