Bryston 7B Cubed Mono Amplifier Active Crossover as the idle current is

as the idle current is kept independent of the temperature of the output transistors

5-inch woofers produces outstanding dispersion characteristics for accurate frequency response at all listening positions

or Satin White with Silver trim

Advantages:

Dive deep into your music and block out background noise as you travel

Bryston 7B Cubed Mono Amplifier Active Crossover as the idle current is7B mono amplifiers are truly special. Though they don't look much different, they're a big step up from the venerable 4B. The power supply for this amplifier is built around a specially wound transformer that is substantially more efficient than normal. With twice the power available, they can drive all but the most brutal loads to lifelike levels. But even at whisper quiet levels, they reveal detail and nuance in your recordings that you never knew