Pinnacle Speakers, a unique family owned and operated business since 1976, designs and manufactures speakers famous for their sterling sound. Our products combine superior technologies with artistic expertise, supported by extended warranties, the longest of any major speaker brand. We are proud to provide a personal service philosophy that's unprecedented in these times, and in this highly automated world.

BD 650 Series II

List Price: $1,500/pair

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  • Beautiful multi-layer piano lacquer finish, a process that takes 1 full week to produce
  • Dedicated Midrange Driver for Superior Clarity & Detail
  • Die Cast Metal Woofer Basket for Improved Bass Definition
  • Die Cast Phase Plug for Improved Crossover Function
  • Butyl Rubber Surround Provides Excellent Cone Control and Exceptional Durability
  • Metal Grille Fasteners for enhanced durability
  • Video shielding allows placement near TV without interference
  • Built-in Automatic Overload Protection
  • Gold plated binding posts for a high quality and secure connection
  • 12 Year Transferable Limited Warranty on Parts & Labor
  • Designed in the USA

Pinnacle Speakers is proud to introduce its newest 6.5” 3-Way audiophile reference music monitor, the BD 650. The culmination of intensive engineering research and development, this stellar performer offers a huge soundstage and brilliant accuracy and detail.

With superior quality components, particularly a new dedicated midrange driver, this gem of a performer is exceptional for critical music listening and handles all home theater demands effortlessly. Outstanding low end frequency response at 36 Hz is quite possibly the best bass in it’s class on the market today.


2012 Winner For Excellence in Custom Installation Products

"The Verdict: The Pinnacle Black Diamonds are stellar performers with a winning personality, delivering consistently pleasing sound." - Sound & Vision

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“A piano-lacquer well executed...with sensuously rounded edges and corners...The Black Diamonds are jewels..." - Home Theater Review”

Fantastic speakers... Bass response is probably the best I've heard in its class. Beautiful gloss black finish and very well made. Crystal clear mids/highs for music and movies.  Very reasonably priced... I am sold on Pinnacle speakers, you won't be disappointed! - Erwin

The sound of these speakers is heavenly...beyond anything I expected. - Yuri

I have owned these speakers for two years and I love them. Thanks so much... George

I am the proud new owner of a pair of BD650s. They are superb. - Nick Nace

I'm very pleased with my pair of BD-650's...(they) exhibit superior bass response for such a small speaker & amazing clarity when playing jazz vocals. They really do sound "bigger" than they are. The black piano lacquer finish is beautiful. - Richard Wormer

I love the speakers. Crystal clear, great fidelity. - Craig B.

These speakers sound incredible! - Jay M.

Love these speakers - C. Joseph Grigsby

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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.

Black Diamond Special Features

Black Diamond Series II

BD 100 Satellite
BD 200 LCR
BD 300 Series II Center
BD 500 Series II Bookshelf
BD 600 Series II Center
BD 650 Series II Bookshelf
BD 700 Series II Center
BD 750 Series II Bookshelf
BD 1100 Slim-Line Tower
BD 2000 Series II Tower
BD 2500 PLB Tower

Sonic 500 Subwoofer

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