| Type |
 |
| Supply Voltage |
|
| Audio Type |
|
| Audio Channel |
2.1Channel |
| Audio Output |
|
| Bluetooth Version |
5.2 |
| Frequency Range |
|
| Output Power |
Up to 400W |
| Size |
|
| Weight |
|
| Speaker |
4-8Ω |
| Audio Input |
Bluetooth / AUX / USB / Sound Card |
| USB interface |
|
| LCD Screen |
|
| AUX interface |
|
| Operating Voltage |
|
| Bluetooth protocol support |
|
| Operating Temperature |
|
| Operating Humidity |
|
| Channel |
|
| Part Number |
XY‑ST21 PRO |
| Display |
|
| Supported Formats |
|
| Efficiency |
|
| Audio Sampling Rate |
|
| Bluetooth audio decoding |
|
| USB decoding |
|
| Current |
|
| Signal Noise Ratio |
|
| Playback Modes |
|
| Default Mode |
|
| EQ Modes |
|
| Power Supply |
DC 12–30V (≥5A Recommended) |
| Satellite Speaker Power |
|
| Subwoofer Power |
2-8Ω |
| زاپاس1 |
|
| زاپاس21 |
|
| زاپاس22 |
|
| زاپاس23 |
|
| زاپاس24 |
|
| زاپاس25 |
|
| Current (un-connecting to broadcast) |
|
| زاپاس27 |
|
| زاپاس28 |
|
| زاپاس29 |
|
| زاپاس30 |
|
| زاپاس31 |
|
| زاپاس32 |
|
| زاپاس33 |
|
| Current (connecting to broadcast) |
|
| زاپاس35 |
|
| زاپاس36 |
|
| Deep Sleep Current |
|
| زاپاس38 |
|
| زاپاس39 |
|
| زاپاس40 |
|
| زاپاس41 |
|
| زاپاس42 |
|
| زاپاس43 |
|
| زاپاس44 |
|
| زاپاس45 |
|
| زاپاس46 |
|
| زاپاس47 |
|
| زاپاس48 |
|
| زاپاس49 |
|
| OverVoltage Protection |
|
| Under Voltage Protection |
 |
| Over Temperature Protection |
|
| Short Circuit Protection |
|
| Overheating Protection |
|
| Reverse connection protection |
|
| Remote controller |
|
| Overcurrent Protection |
|
| Noise Removal |
|
| Left and right channel output power |
|
| Subwoofer output power |
|
| Reverse Polarity Protection |
|
