Surround Sound Speaker Systems

Hsu Research ULS-15 Subwoofer and HB-1/HC-1 MK2 Speakers

ARTICLE INDEX
Hsu ULS-15 Subwoofer HB-1 HC-1 Speakers

Introduction

Hsu Research is an A/V company selling only online, and which continually produces superb products at affordable prices. Until recently, Hsu sold nothing but subwoofers. I bought one of the original Hsu Research VTF-2 subs, which had incredible performance for a $500 price tag. I’ve since upgraded to the VTF3-HO with Turbocharger. Like the rest of the Hsu’s line, those subs had a ported design.

Now comes Hsu’s first sealed-box subwoofer, the Hsu Research ULS-15. It's one of the first subs to hit the market with wireless connections (RF), and it has four separate channels, so you can have several discrete wireless subwoofer channels if you like (e.g., front left, right, and LFE).   Along with the ULS-15, Hsu also sent their newly redesigned HB-1 Mk 2 bookshelf speakers and HC-1 center channel speaker, for a complete 5.1 system. I had heard good things about the HB-1’s, but never had a chance to audition them in person. Plus, I was very curious to see how Hsu’s experience with subs would translate into full range speakers.

Specifications

  • ULS-15
  • Design: Sealed Enclosure
  • Driver: 15"
  • Amplifier Power: 1000 Watts RMS Short Term
  • Crossover: 30 Hz - 90 Hz, 24 dB/Octave
  • Phase: 0/180
  • Inputs: Balanced XLR (2), RCA (2), Wireless (2), Speaker Level (2)
  • Dimensions: 18" H x 18" W x 19.25" D
  • Weight: 80 Pounds
  • MSRP USA ($1,299-satin black; $2,199 DualDrive; $3,999 QuadDrive)
  • HB-1 Bookshelf Speaker
  • Design: Ported Enclosure
  • Drivers: One Horn Tweeter, One 6.5" Woofer
  • MFR: 60 Hz – 20 kHz ± 2 dB
  • Sensitivity: 92 dB / 1m / 2.83V in half space
  • Recommended Power: 10-250W RMS Per Channel
  • Nominal Impedance: 6 Ohms
  • Dimensions 15” H x 8” W x 8” D
  • Weight 14.5 Pounds/Each
  • MSRP: $149 USA
  • HC-1 Center Channel Speaker
  • Design: Ported Enclosure
  • Drivers: One Horn Tweeter, Two 6.5" Woofers
  • MFR: 60 Hz -20 kHz ± 2 dB
  • Sensitivity: 92 dB / 1m / 2.83V in half space
  • Recommended Power: 10-250W RMS Per Channel
  • Nominal Impedance: 12 Ohms
  • Dimensions: 8” H x 23” W x 10” D
  • Weight 22 lbs
  • MSRP $239 USA
  • Hsu Research