Quantity   Component name
2 × Woofer (Lower) AT-8030 8" Treated Paper Cone Woofer with Rubber Surround 4 Ohm Part # 299-2150 (Parts Express)
2 × Woofer (Mid) WP-6020i 6-1/2" Polypropylene Cone Woofer with Foam Surround 8 Ohm Part # 299-2146 (Parts Express)
2 × Tweeter Goldwood GT-324 1" Titanium Dome Tweeter 3-7/8" Round Part # 270-155 (Parts Express)
2 × 3-way Crossover Parts Express Speaker Crossover 3-Way 8 Ohm 800/5,000 Hz 100W Part # 260-210 (Parts Express)
1 × Amplifier Pyle PFA300 90-Watt Class T Hi-Fi Stereo Amplifier with Adapter (Amazon)
1 × Bluetooth adapter Atill Multipoint Connection 4.1 Bluetooth Audio Music Receiver A2DP Wireless Adapter with 3.5mm AUX Port (Amazon)
2 × LED-bar levels with I2C backpack Adafruit Bi-Color (Red/Green) 24-Bar Bargraph w/I2C Backpack Kit (Discontinued from Adafruit, available elsewhere)