—ChiFi Guru—

Your guide in the world of Chinese HiFi

Fosi Audio SK01vsTopping L70

A detailed side-by-side comparison of the Fosi Audio SK01 and Topping L70 — two popular preamps in the Chinese HiFi space.

Specifications

Spec
Fosi Audio SK01
Topping L70
Tubes
—
—
Topology
Solid State Op-Amp
NFCA (Nested Feedback Composite Amplifier)
Inputs
3.5mm Line In
XLR (Balanced), RCA
Outputs
3.5mm Line Out, 3.5mm/6.35mm Headphone
XLR Pre-out, RCA Pre-out, 4.4mm/XLR/6.35mm Headphone
Features
Hardware Loudness Switch, 3-Band EQ, High/Low Gain
Relay Volume Control, Remote Control, Ground Loop Switch
Remote Control
✗
✓
Tube Stage
✗
✗
Phono Stage
✗
✗
Headphone Amp
✓
✓

Price (estimated)

Price
~$70
~$279
Difference
~$209.00 cheaper (Fosi Audio SK01)

Things to Know

Fosi Audio SK01

  • ⚠Built-in battery is unnecessary for a desktop unit and will eventually degrade/fail.
  • ⚠Input is limited to a single 3.5mm jack (no RCA inputs without adapter).
  • ⚠Form factor is tall and narrow, making it easy to tip over when heavy cables are attached.

Topping L70

  • ⚠Rear panel is extremely crowded; thick XLR cables can be difficult to unplug.
  • ⚠The 'clicking' sound of the volume relays is audible inside the chassis when changing volume (normal but surprising to new users).
  • ⚠Display menu system is somewhat cryptic (abbreviations like 'H-G' for High Gain).

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