Pair of 1968 AR 4x in excellent vintage condition. The grill has been removed and speakers inspected. All speakers are original and in excellent condition. The sound is fantastic. The Acoustic Research AR 4x Speaker is a vintage audio piece from the United States. Known for its quality and classic design, this speaker is a sought-after collector’s item for those who appreciate vintage electronics and audio equipment. With the brand’s reputation for excellence in sound quality, the AR 4x model is sure to deliver rich and clear audio, making it a prized addition to any audio enthusiast’s collection.