The Acoustic Energy AE1 Series ii (Original) References Series Speaker Pair is a high-quality pair of bookshelf speakers by Acoustic Energy. Known for their exceptional sound quality and sleek black/brown design, these wired speakers feature banana jack audio inputs for easy connectivity. The AEII Series model is highly regarded for its performance, making it a popular choice for audiophiles looking to enhance their home audio experience with a top-tier speaker pair.