Magnat Quantum 677 3-Way Floorstanding Speakers (Black) PAIR NEW

RRP $1,999

This item is sold out

To view similar items click here.


12 Months Warranty - Managed by GraysOnline

Magnat Quantum 677 3-way bass reflex, Floorstanding Loudspeakers (Black) (Pair) (New)

The Quantum 677 is the flagship in the Quantum 670 series, a further development of Magnat´s Quantum 650 series, which was highly praised in many test reviews.


  • 3 way bass reflex
  • Klippel-optimised overall design
  • Airflex ports with extremely large opening areas to guarantee best-possible bass coupling
  • Sturdy MDF case with rounded sides and low-resonance 25 mm baffle
  • Removable protective grille with optimised acoustic transmissivity
  • Second-generation harmonic radiation horn (HRH) tweeter with 30 mm fabric dome, special damping, ferrofluid cooling and wide surround
  • FE-Dynamics bass/mid-range loudspeaker with ceramic-aluminium cones, 25 mm voice-coil unit and a flow-optimised basket made from carbon-fibre composite
  • High-quality internal wiring
  • Large bi-wiring terminal area with solid screw connections


  • Colour: Black
  • Principle: 3 way bass reflex
  • Equipment: 30 mm tweeter, 170 mm woofer-midrange, 2 x 170 mm woofer
  • Power Handling (RMS/Max.): 200 / 350 Watts
  • Sensitivity (2.8V/1m): 93 dB
  • Impedance: 4 – 8 Ohms
  • Frequency Response: 20 - 50.000 Hz
  • Crossover Frequencies: 300 Hz, 3100 Hz
  • Recommended Amplifier Output: > 30 Watts
  • Dimensions (WxHxD): 202 x 1080 x 316 mm
  • Weight: 19.5 kg

GST Note: GST is included in the price of this item. GST is included in the freight.

Customer Reviews



Delivery time frames will depend on your location, please check the shipping calculator to see an estimate of when you can typically expect to receive your goods based on your postcode.

We will send you an email notifying you as soon as your items have left our warehouse. In this email, you will find the name of the courier company and the consignment note number of your item as well as information on tracking the delivery of your item online. Simply follow the link and enter your reference number. You will then be able to quickly and efficiently track the delivery status of your item!

Please Note: Your goods will be delivered to your registered address. We do deliver Australia wide except for a few remote territories, please check the shipping calculator to confirm delivery availability and timeframes.

Loading content...
Loading content...

Sign Up Now

Sign up to receive upcoming auctions & special offers!

Privacy Statement and Consent: By providing your email address, you consent to us sending you our newsletters as well as promotional material, updates and further information about our products and services. Our Privacy Policy contains information about how you can access and correct your personal information, how to make a complaint, and how we deal with complaints.


Follow Us

We Accept

Follow Us


NSW Liquor Act 2007 - It is against the law to sell or supply alcohol to or to obtain on behalf of a person under the age of 18 years.
NSW Liquor Licence LIQP770010049
Motor Dealer Licence: NSW MD13910, VIC LMCT11156, SA MVD277714, QLD 1700072, WA MD25136. NSW Motor Vehicle Recycler Licence: M057736
Grays (NSW) Pty Ltd is a credit representative (number 509214) of Pty Ltd (Australian Credit Licence 433137)

Download Our App