Enhance your audio projects with our DIY Electronic Tube Preamplifier Kit. This kit includes everything you need to build your own high-quality preamplifier, designed superior audio performance and reliability. Ideal both beginners and experienced audio enthusiasts. Easy to assemble. Improves sound quality with bile amp effect. Includes all necessary components and accessories. Perfect DIY audio projects and enhancements. Upgrade your audio system with our versatile and durable preamplifier kit, tailored optimal sound enhancement. Type:6J1 Hifi DIY Electronic Tube Preamplifier Kit Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour: Material:Plastic Package Contents: 1 * preamplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.