The ADS L470/2 (or L470) is a 2-way vintage bookshelf loudspeaker from the 1980s, known for a high-quality, compact design with a woofer and  soft dome tweeter. They feature metal perforated grilles, impedance, and are generally rated for up to 
 watts power handling. They are highly regarded for their precise, "airy" sound and strong performance in small-to-medium rooms. 

Key Specifications:
Type: 2-Way bookshelf speaker
Drivers: 
 woofer (usually rubber surround), 
 soft dome tweeter
Impedance: 
 Nominal
Power Handling: 75-100 Watts nominal

Weight: ~18 lbs per speaker
Origin: USA