Type: Passive, 2-way bass-reflex speaker (i.e. with a “port” for the bass) • Drivers: — 1 × 130 mm (5.25″) woofer with Plasiflex diaphragm for the low/mids. — 1 × 28 mm (1″) dome tweeter for the highs. • Frequency response: approximately 55 Hz to 20 kHz (can drop to 55 Hz at -6 dB). • Sensitivity: ≈ 89 dB • Nominal impedance: 8 Ω. • Crossover frequency: ~4.2 kHz, • Suitable amplifier power: approximately 20–75 Watts. • Maximum pressure level (SPL): around 103–104 dB per pair (very “loud” for their size if you turn them up high). • Cabin volume: approximately 6.5 liters • Dimensions: 315 × 175 × 200 mm (H×W×D). • Weight: approximately 4 kg each speaker. -The speakers do not have fronts.