Cross Lambda Stardust 5 is an upgrade IEM cable made from silver-plated and gold-plated copper. It costs ~600USD.
Cross Lambda Ignite Pro is a new budget offering from this well-known cable manufacturer. It is an IEM cable made of copper that costs $120.
Cross Lambda Future Jr. is a pure-copper IEM cable with the "Absolute Shielding Technique" technology. It is priced at around $420.
Cross Lambda Direction Neo is an IEM cable made of pure copper. Its price starts at 4590THB, which is about $145.