Ferrum Wandla HP DAC/Amp/Pre Option:WANDLA HP In listing the names involved

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8 dB is controlled by a front-panel switch

Ferrum Wandla HP DAC/Amp/Pre Option:WANDLA HP In listing the names involvedFerrum WANDLA HP DAC Amp Pre at Vinyl Sound Buffalo, New York The Ferrum WANDLA HP is a fully balanced DAC, preamplifier, and integrated headphone amplifier from Ferrum Audio (Warsaw, Poland), available at Vinyl Sound in Buffalo, New York. Occupying the same compact 217. 5 x 206. 5 x 50 mm chassis as the rest of the Ferrum ecosystem, the WANDLA HP builds on the award winning WANDLA DAC Pre architecture by adding a proprietary composite IC headphone