Lovin the product line. Have owned a number of Burson products. C3R, C3XP, Soloist 3XP, Funk,
Registering today: Purchased June 4th 2026. From Odiyo Projects 805695467 in Vancouver, BC
Soloist GT4 SN [removed]
Fusion Core SN [removed]
The System
Listening with
Sennheiser HD 800 S · Headphones: open-back, dynamic, circumaural
- Impedance: 300 Ω
- Sensitivity: 102 dB SPL @ 1 V ≈ 96.8 dB/mW (calc.)
- Frequency response: 4 Hz – 51 kHz
- Plugs / cables supplied: 6.35 mm unbalanced; 4.4 mm balanced
Burson
Burson Soloist GT4 · Headphone amplifier / preamp (Class-A)
- Output power (XLR / SE): 32 Ω 10 W / 5 W · 100 Ω 8 W / 4 W · 150 Ω 3.8 W / 1.9 W · 300 Ω 1.3 W / 0.65 W
- Output impedance: 0.5 Ω (headphone); 25 Ω (pre out)
- Gain: 3 levels: High full power, Medium 50%, Low 10% (IEM); dB not published
- Inputs: 2x XLR; 2x RCA
- Input impedance: 38 kΩ
- Input sensitivity: RCA 2 V; XLR 4 V+ (line level)
- Outputs: XLR + SE headphone; XLR + RCA pre out; RCA subwoofer out
- Other: THD <0.0015%; FR ±1 dB 0-48 kHz; versions: Standard / Deluxe (V7 Vivid opamps, SP02, Super Charger 5A) / Max
Burson Fusion Core · Power supply (GaN, 24 V or 32 V)
- Other: Fusion Core 24V: 24 V/15 A, 2.5 mm barrel (centre +); Fusion Core 32V: 32 V/15 A, 4-pin DC plug (Timekeeper 3X GT / Voyager / GT4); noise floor <1 µV; 100-240 V AC
Also in the system
LAIV microDAC
C3R
C3XP
Soloist 3XP
Burson Funk · Headphone amplifier / integrated amplifier
- Output power (headphone): 16 Ω 3.5 W · 32 Ω 2.5 W · 100 Ω 0.6 W · 150 Ω 0.4 W · 300 Ω 0.15 W
- Power: 8 Ω: 35 W · 4 Ω: 45 W
- Output impedance: <2 Ω (headphone)
- Gain: not published
- Inputs: RCA L/R
- Input impedance: 38 kΩ
- Outputs: headphone (SE); speaker terminals
- Other: Model P-300; THD <0.03%; FR ±1 dB 0-35 kHz; speaker S/N 92.5 dB
Specs from manufacturer data unless a source below says otherwise. “calc.” values are worked out from those figures (V = √(P × R); 110 dB SPL used as a loud reference level). Gear listed without specs is not in our spec library yet.
