ENGLISH 1 Attach the provided spacers to the bottom of the amplifier (2 and 3). Spacer's bottom Bottom Thank you for purchasing an ARSENAL product. Please read all instructions carefully before operation, to ensure your complete understanding and to obtain the best possible performance from the unit. This unit is designed to be connected to subwoofers. 2 Fix the amplifiers on both sides with the brackets (I) as illustrated. • Be sure to mount the lowest amplifier (1) as illustrated on. • Before piling amplifiers as X, first make the connections for the power supply (see “POWER SUPPLY” below) and speakers (see “SPEAKER CONNECTIONS” on page 2). X Y Bracket (I) Bracket (I) Spacer Spacer Bracket (L) Bracket (L) For safety. • Do not raise the volume level too much, as this will block outside sounds, making driving dangerous. • Stop the car before performing any complicated operations. CAUTIONS AND NOTES This unit is designed to operate on 12 V DC, NEGATIVE ground electrical systems. • This unit uses BTL (Balanced Transformerless) amplifier circuitry, i. , floating ground system, so comply with the following: Do not connect the “·” terminals of the speakers to each other. Do not connect the “·” terminals of the speakers to the metal body or chassis. • Cover the unused terminals with insulating tape to prevent them from short circuiting. • When an extension lead is used, it should be as thick and short as possible; connect it firmly with insulating tape. • Be sure to leave an appropriate space between the antenna and the wires of this unit. • When replacing the fuse, only use a 25 A fuse. • Do not let pebbles, sand or metallic objects get inside the unit...