Package Included: This OPA2604 OP AMP preamplifier comes with everything you need for assembly, ensuring a hassle-free setup experience for audio enthusiasts and DIY hobbyists alike. Channel Configuration: Features a 2-channel (2.0 stereo) setup, perfect for enhancing the audio quality of your home theater or sound system without the need for additional power sources. Model: The model OPA2604, renowned for its reliable and high-quality audio components, offers superior sound amplification for a variety of audio setups. Ideal for DIY Projects: Designed for audiophiles and DIY enthusiasts, this preamplifier board is perfect for building or upgrading your own audio system, providing clear and powerful sound amplification. Description/Features: Introducing the Tone Board 2.0, a dual-channel preamp board designed for superior audio performance. Equipped with the high-quality OPA2604 op-amp, this board delivers exceptional sound quality and clarity. It features a versatile design that supports both AC and DC power supplies, including battery options, making it suitable for a variety of audio applications. The board's compact size and included extension cord offer flexibility in setup and installation. Specifications: Product Name:Tone Board 2.0 Dual-Channel Preamp Board Op Amp:OPA2604 version Potentiometer Pitch: 24-24-35mm Power Supply Compatibility: Dual AC12-22V; DC power must be at least dual 6V, 10W when connected in series. Single power AC and DC can also be used. Note: Single battery power supply is not supported. Color: As Shown Material: Metal+Pc Specification:A:Fixed version Package Contents: 1 * OPA2604 OP AMP Audio Board