A pair of Visaton Alto II speakers in excellent, fully functional condition Design: 2-way bass reflex Nominal power: 60 watts Music power: 100 watts Net volume: 28 liters Sound pressure level: 83 dB (1W/1m) Crossover frequency: 3,500 Hz Impedance: 4 ohms Frequency response (-10 dB): 40–22,000 Hz Tweeter: DT94-8 (8 ohms) Mid-woofer: WS170S-4 (4 ohms, rubber surround, long-throw) Crossover: Alto I (identical except for bookshelf enclosures) Bass reflex port: BR 15.34 (full length) Damping material: Polyester wool 250 grams Housing material: 19mm chipboard or MDF External height: 800 mm External width: 230 mm External dimensions depth: 230 mm Will be carefully packaged and shipped from DPD Germany or GLS.