    </div>

        <div>
          <div class="flex items-center space-x-4 mb-2">
            <label for="ch2" class="text-xl">CH2</label>
            <div class="flex items-center space-x-2">
              <button
                id="solo2_btn"
                type="button"
                class="toggle"
                data-target="solo2"
                aria-pressed="false"
                onclick="toggleButton(this)"
              >
                SOLO
              </button>
              <input type