Guitar Center offers a pair of M-Audio BX5 D2 Studio Monitor Speakers bundled with a $30 eGift Certificate for $159.98 with free shipping. (Add two speakers to the cart. You'll need to check out via your email address to receive the credit. Click here for more information.) Assuming you'll use the credit, that's the lowest total price we could find by $70. It features a bi-amplified, 70-watt design with 5" low frequency drivers and 1" high frequency drivers with a frequency response up to 22kHz.