Boston Acoustics discounts several clearance speakers up to 76% off, as listed below. With free shipping on all items, each is at the lowest total price we could find by at least $12. The deals:

Boston Acoustics PRi665 In-Ceiling Speaker for $49.99 (was $175)
Boston Acoustics PRi665CV In-Ceiling Speaker for $54.99 (was $199)
Boston Acoustics PRi685 In-Ceiling Speaker [...]