AR-4xa

The Acoustic Research AR-4xa is a vintage bookshelf speaker that was first introduced in the late 1960s. It features a compact design and was known for its high-quality sound reproduction. The speaker is a 2-way system with a 10-inch woofer and a 2.5-inch tweeter. It had a power handling capacity of around 25 watts RMS and a frequency response range of approximately 40 Hz to 20 kHz. The AR-4xa was popular among audiophiles and is considered a classic in the vintage speaker world.