Cart Continue shopping “LCV Universal Bass Knob Level Controller with Built-in Digital Voltmeter, Blue LED Display, Remote Gain Control, On/Off Switch, Prevent Damage to Your Audio Equipment” has been added to your cart. Product Price Quantity Subtotal × LCV Universal Bass Knob Level Controller with Built-in Digital Voltmeter, Blue LED Display, Remote Gain Control, On/Off Switch, Prevent Damage to Your Audio Equipment $21.99 LCV Universal Bass Knob Level Controller with Built-in Digital Voltmeter, Blue LED Display, Remote Gain Control, On/Off Switch, Prevent Damage to Your Audio Equipment quantity $21.99 Coupon: Apply coupon Update cart Cart totals Subtotal $21.99 Tax $0.00 Total $21.99 Proceed to checkout