Ampeg SVT-410HE, Bass Cabinet, Equipped with: 4 x 10"" speakers and 1 x 1"" horn (adjustable), Power 500 W into 8 ohms, Frequency response: 60-18000 Hz, Lowest cut-off frequency: 43 Hz, Sensitivity: 96 dB, Maximum sound pressure level: 122 dB, Crossover frequency: 4 kHz, Connections: 2x Jack and 2x Speaker Twist, Dimensions: 61 x 63.5 x 41 cm, Weight: 41.5 kg