- The finest hi-fi in the world LATEST NEWS - Note this is a UK site. Click here for distributors 6/03/02 Quad launches the 11L - RSP #380 The amazing new Quad 11L is now available. A piano finish veneer is merely the icing on top of one of the most sonically adept bookshelf speakers you will ever find. A remarkable tweeter frequency response up to nearly 40kHz combined with an ultra-fast bass/mid ...www.quad-hifi.co.uk