Description
The design philosophy of the BX2 Magnum is rooted in headroom. By building generous reserves into the power supply,
amplification stages, and signal path, the amplifier never strains, and it delivers stable,
controlled sound that reveals true musical details and dynamics under any conditions.
Design Philosophy:
Headroom First – The Foundation of Great Sound
Exceptional amplifier design never operates at the edge. The BX2 Magnum builds its headroom around three core principles:
Power Headroom: Seven independent cells with complete isolation between analogue and digital circuits—eliminating interference.
Amplification Headroom: Four-channel fully balanced architecture paired with 30V high-voltage drive—unlocking exceptional
dynamics and control. Signal Headroom: Physical relay switching and R2R precision volume control ensure no colouration,
no loss—allowing every component to operate comfortably within its linear zone. The result: stable dynamics, balanced frequency response,
and refined musicality.
Hardcore Inside: Portable Amplification, Transformed
Dual Nutube 6P1 Vacuum Tubes: Genuinely active in the amplification stage, not decorative, delivering the signature warmth and richness of tube sound.
Fully Balanced Four-Channel Architecture: Four independent signal paths. eliminate crosstalk, ensuring precise imaging and a well-defined soundstage.
30V Anode High-Voltage Supply: Breaking through the voltage limitations typical of portable amplifiers, delivering enhanced dynamics and authoritative low-end control.
Transistor/Tube Physical Relay Switching: Pure, lossless switching with no addedcoloration-preserving the authentic character of each signal path.
31-Step R2R Digital Volume Control: Exceptional channel consistency with no contact noise, ensuring balanced output even at low listening levels.
Seven-Cell Isolated Power System: Seven cells
Dual Sonic Characters: Switch Instantly, Match Any Headphones
Tube Mode: Warm, rich, and inviting. A spacious soundstage and full-bodied midrange bring out the emotion in vocals and instruments-ideal for extended listening sessions.
Transistor Mode: Precision Analysis, The Ideal Choice for
Detail Enthusiasts
Linear response with lightning-fast transients, rhythm is crisp. every detail revealed. Designed for those who demand the ultimate in resolution and dynamics.
The two signal paths are physically independent. allowing instant switching to suit different headphones or musicgenres-giving you full control over the tonal presentation.
Circuit & Power Supply:
Portable Form Factor, Desktop-Crade Engineering
Desktop-Grade Amplification Architecture Dual KORG Nutube 6P1 vacuum tubes paired with a JFET input stage, combining the smoothness of tubes with the nuance of JFETs for a rich, layered sonic presentation.
Flagship-Grade Power Supply
built-in 7x2000mAh battery bank: One cell dedicated to digital control circuits-isolated from interferenceSix cells configured as a +l2V analog supply. directly powering the amplification stage
Two sets of 4-segment battery indicators on the rear panel provide real-time power status
30V anode high-voltage output ensures the tubes operate in their optimal linear range, unlocking their full potential.
Outstanding Specifications: The Foundation of Great Sound
Ultra-low noise floor – With an output noise as low as s3u. The BX2 Magnum provides an exceptionally quiet background for high-sensitivity headphones. revealing fine details and delivering pure sound.High-fidelity output precision – THD+N is controlled to 0.0005%. maintaining excellent linearity and ultra-low distortion even at high output levels, ensuring true-to-life sound reproduction.
Powerful driving capability – With a maximum output power of up to 5W 32Ω. It effortlessly drives everything from high-impedance full-size headphones to low-sensitivity IEMs. unlocking the full potential of any pair.
Specifications
3.5mm/RCA Input Impedance: 10kΩ4.4mm Input Impedance: 32kΩ3.5mm/4.4mm
Output Impedance: 1ΩFrequency Response (20Hz-80kHz): ±0.05dB
THD+N:≤0.0005% (3.5mm output / Transistor mode)≤0.0003% (4.4mm output / Transistor mode)≤1% (Tube mode)Crosstalk: < -100dB @ 1kHz, 600ΩSNR: >117dB
Dimensions: 186*92*38 mm (excluding knob) 198*92*38 mm (including knob)Battery Life: <13 hours (Transistor mode) >8 hours (Tube mode)
Charging Time: Approx. 4.5 hours (3.7V digital power cell)Approx. 5 hours (±12V power cells)Accessories:3.5mm to 3.5mm cable *14.4mm to 4.4mm cable *1USB-C to USB-C charging cable *1Velvet pouch *1Spare silicone feet *4Quick start guide *1Warning card *1
