BD 300 Series II

The Black Diamond Series is a stunning collection of contemporary Audio/Home Theater speakers by Pinnacle. These speakers are sophisticated, stylish and accurate audio reproduction instruments.

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"A piano-lacquer finish... so well executed... with sensuously rounded edges and corners... the Pinnacles shone with a versatile, snappy, powerful presentation.. The Black Diamonds are jewels...I warmly recommend these speakers to anyone."


  • Beautiful multi-layer piano lacquer finish, a process that takes 1 full week to produce
  • Butyl Rubber Surround Provides Excellent Cone Control and Exceptional Durability
  • Video shielding allows placement near TV without interference
  • Metal grille fasteners for enhanced durability
  • Automatic Overload Protection Circuit
  • Gold plated binding posts for a high quality and secure connection
  • 12 Year Transferable Warranty on parts & labor
  • Designed in the USA

System Type: 3-Element, 2-Way, 2nd Order Acoustic Suspension

Component Drivers:

  • 1" liquid cooled silk dome tweeter with neodymium magnet 
  • (2) 5.25" polymer cone woofers with rubber surrounds

Frequency Response: 69 Hz - 23 kHz (+/- 3 dB)

Frequency Range @ -6 dB: Low: 59 Hz, High: 27 kHz

Crossover Frequency: 5 kHz

Recommended Amplifier Power: 15 - 125 Watts RMS per channel

Operative Power Range: 15 - 125 Watts, 275 Watts Peak

Sensitivity: 87 dB @ 1 Watt / 1 Meter (2.83 Volts Pink Noise)

Nominal Impedance: 8 Ohms

Dimensions: 16 1/2" Wide x 6 1/4" High x 8" Deep (with grill)

Finish: High Gloss Piano Black

Weight: 15 lbs. per each

User Reviews

...we've been in love with the performance of Pinnacle's Black Diamond line and have recommended them multiple times in the past to our readers - Unplggd

I have a complete Black Diamond system and love the sound quality! - Mike Webb

The sound is…much fuller and richer..speaker looks great..a great addition and buy. - Steve Alstrom

Great sound and price! - Mark G.

Everyone who has heard the speakers comments on how great they sound, thanks again. - David B.

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