Jose’s Burson Soloist 3X Performance

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Post Info

Bass and soundstages have improved with this new Super Charger. The bass is tighter. The background is darker. Very happy with my purchases.

The System

Burson

Burson Soloist 3X Performance · Headphone amplifier / preamp (Class-A) · discontinued
  • Output power (XLR / SE): 16 Ω 8 W / 4 W · 32 Ω 4 W / 2 W · 100 Ω 1 W / 0.5 W · 150 Ω 0.6 W / 0.3 W · 300 Ω 0.3 W / 0.15 W
  • Output impedance: 0.5 Ω (headphone); 25 Ω (pre out)
  • Gain: High / Medium / Low (manual); dB not published
  • Inputs: 1x XLR; 1x RCA; mic bypass
  • Input impedance: 35 kΩ
  • Input sensitivity: standard line level
  • Outputs: XLR pre out; 4-pin XLR + SE headphone
  • Other: Model M-120X (3XP); THD <0.0015%; FR ±1 dB 0-48 kHz

[1] [2]

Burson Super Charger 3A · Power supply (24 V DC)
  • Other: 24 V / 3 A; noise floor <1 µV; 2.5 mm barrel plug, centre positive; 100-240 V AC in

[3] [4]

Also in the system

SMSL SU-9 · DAC: balanced desktop DAC (ES9038PRO, MQA, Bluetooth LDAC) · discontinued
  • Output impedance: 207 Ω (XLR); 142 Ω (RCA)
  • Inputs: USB (PCM 768 kHz, DSD512); optical; coaxial (DoP64); Bluetooth (LDAC, aptX HD, SBC, AAC)
  • Outputs: XLR; RCA
  • DAC / chipset: ESS ES9038PRO; ES9311 supply chip; XMOS XU216
  • Other: THD+N 0.00009% (-121 dB); SNR 130 dB; DR 130 dB XLR / 123 dB RCA

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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.

  1. Burson Soloist 3X Performance product page
  2. Burson Soloist 3X Performance User Manual V1.6 (Burson downloads)
  3. Burson Super Charger 3A product page (super-charger-3a page)
  4. Burson Super Charger 3A product page (super-charger-3a page, archived 2021)
  5. SMSL SU-9: PDF (smsl-audio.com)