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40w amplifiers with built in active cross overs

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50W bi-amplifiers with built in active crossover (can be re-configured by changing components) and matching smps power supplies. Asking $70 for all (plus shipping). Manual available.

Features
• Super high fidelity, general purpose, audio amplifier
• 2-way active cross-over drives dual 50 Watt amplifiers for separate woofer and tweeter
• Great for Bi-Amping projects!
• Rediscover your music – audio so clear and defined you'll hear things you never knew were there!
• Applications:
• iPod amplifier
• Portable boom-box amplifier for iPod
• Powered computer speaker system
• Portable guitar or microphone amplifier
• Customized computer speaker system
• Power booster to increase the power and improve sound quality of any audio source
• Adding powered mids and tweeters to existing stereo system to improve sound quality.
• Low power consumption – just a few tens of milliamps - perfect for portable battery powered amplifiers
• Variable cross-over frequency – easily reconfigure for any crossover frequency
- you can use this calculator to help you change x-over values : Linkwitz-Riley Filter Calculator, 2-Way, 4th Order
• Clip detect indicator LEDs on both woofer and tweeter amps
• Bass level adjustment pot
• Flexible audio input:
• Line-level – for connecting to iPod, computer, stereo, TV, guitar or mic pre-amp, etc.
• Speaker level – for boosting the power and sound quality of any other audio source
• Double filtered power supply for ultra clean audio
• Small, compact circuit board size – easily fits in small enclosure
• Amplifier circuits are modified class A/B configuration
• Input Impedance: 51K
• Power supply: 6V–26V DC
• Designed and packaged in the USA

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