The Philips TAX5509 has a compact physical footprint, measuring 110.5 mm in height, 40 mm in width, and 34.5 mm in thickness, with a total volume of 152.49 cm³ and a weight of 1,900 g. It features RGB lighting and a detachable cable, adding both visual character and some practical flexibility to its setup. A control panel is placed directly on the device, and a remote control is included for convenient operation at a distance. The speaker does not include a travel bag, a touch screen, or a neodymium magnet, and it carries no water resistance rating.
The Philips TAX5509 delivers 2 x 65W of audio output power and covers a frequency range of 20 Hz to 20,000 Hz, spanning the full extent of the standard audible spectrum. It does not include stereo speakers, a subwoofer, or a passive radiator, and magnetic shielding is also absent from its design.
The Philips TAX5509 connects wirelessly via Bluetooth 5.3 with a maximum range of 10 meters, and also offers wired options through an AUX input and a single USB Type-C port. A microphone input is present as well. The speaker does not support NFC pairing, Wi-Fi, Ethernet, AirPlay, Chromecast, Auracast, or Bluetooth LE Audio, and no external memory slot is available. On the audio codec side, aptX, aptX HD, aptX Adaptive, aptX Lossless, aptX Low Latency, LDAC, and AAC are all absent, and there is no 3.5 mm audio jack socket, 3.5 mm male connector, or DLNA certification.
The Philips TAX5509 can be used wirelessly and supports smartphone remote control, allowing playback management from a connected device. It includes a built-in radio, voice prompts for audio feedback during operation, and a sleep timer for scheduled shutoff. Fast pairing, voice commands, and a mute function are not available on this model.
The Philips TAX5509 supports stereo pairing, enabling two compatible units to be linked together for stereo sound playback.