Bella Sound's offices and factory are in Northern California, about 25 miles south of San Francisco. They design and manufacture amplifiers, power conditioners, and AC power cables. The subject of this review is their Hanalei monoblocks, which have an output rating of a substantial 700 Watts into 4 Ohms. Bella Sound offers one other amplifier, their Kahili stereo amplifier, rated at 400 Wpc, not as powerful as the Hanalei monoblocks, but still a considerable amount of power. Both amplifiers that Bella Sound manufactures have enough solid-state power that one might not be faulted for assuming that both their amplifiers, especially the subject of this review, are made with a Class D circuit.....