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Helium 510 Bookshelf Speakers (Pair)

SKU sp-853-black

high-end audiophile passives, mid-size with wide soundstage; modern design aesthetics
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Lab Overview


  • mid-sized high-end passive speakers with clear, loud output; modern desgin aesthetics
  • exceptionally clear + detailedĀ sound reproduction,Ā remains balanced + pristine at all listening levels
  • sound dispersion design - larger sweet spot / wider soundstage than traditional speakers
  • advanced acoustical engineering ensures quality sound in diverse room conditions and size
  • top quality components, solid build (each speaker weighs 13 lbs)
  • handmade in Finland
  • available in (4) finishes, sold as a pair

"Helium510 bookshelf loudspeakers are the most popular in the Helium series. Their natural voice-band and clarity allow them to sound engaging in all rooms and settings ā€“ even at low listening levels." - Amphion


  • 2-way, vented passive design (requires amplifier)
  • woofer: 5.25" paper
  • tweeter: 1" titanium
  • crossover point: 1600 Hz
  • impedence: 8 Ī©
  • frequency response: 48Hz-25kHz -6dB
  • sensitivity: 86 dB
  • suggested amplifier power: 20W-100W
  • dimensions: 10.4" x 6.3" x 12.45" / 265 x 160 x 316mm
  • weight: 13 lbs / 6 kg (each speaker)

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