The SPA-C110W is an IP ceiling speaker with a built-in 10W Class-D amplifier. It supports both PoE (IEEE 802.3af type 1 Class 3) and PoE+ (IEEE 802.3at type 2 Class 4) for power. This speaker offers an output level of +6 dBV ±3 dB and a frequency response of 20 Hz to 20 kHz. The frequency range at -10 dB is 120 Hz to 20 kHz. It includes 1 GB of internal storage and a single microSD slot that supports cards up to 32 GB.