it offers flexible connection options that are rarely found in 4-channel amplifiers

1 x BT HD STREAMER

fastening material

If you then think it's the speakers

The GAS Audio MAD S3-10D2 was designed for discerning bass enthusiasts who are looking for high volume levels

HERTZ MPBX 250 S2 Packaging unit:Single it offers flexible connection optionsThe Hertz MPBX 250 S2 is a high quality, sealed 25 cm subwoofer designed for demanding car audio applications that require powerful low frequency bass and a compact footprint. The exceptionally flat enclosure has been specifically tuned to the integrated MPS 250 S2 subwoofer and delivers precise, controlled bass reproduction with high dynamic range. Thanks to its versatile mounting options, the subwoofer can be oriented to radiate sound upward or