Technical specs and contents:

• 1 pr ES-4 4” cast mid woofer
• 1 pr EX-560i 24dB Elliptic “Transient Optimized”
  2-way crossover
• 1 pr DRT-26 modular 1” silk tweeter (aluminum and titanium flavor optional)
• Power handling: 150 watt RMS @ HPF 120Hz.
• Frequency response: 65Hz-20.000Hz.
• Impedance: 4 Ohm Sensitivity: 91.3dB
• Mounting depth 4” woofer 2.25”
• Flush and surface tweeter housings