DIALOG AO-21 - Outdoor Bluetooth speakers

| Model | AO-21 |
| Type | Floorstanding portable |
| Mode | Mono |
| Power RMS, W | 35 |
| Wireless interface | Yes. Bluetooth |
| TWS mode supported | No |
| Battery | Built-in Li-ion |
| Yes |
| Supported media | Yes, MicroSD (TransFlash) |
| Yes. External antenna |
| Supported file system type and size | FAT16/FAT32, up to 32Gb |
| Supported file formats | MPEG-1 Audio Layer 3 (MP3), with 64 - 320 kbps bitrate |
| Components | compact outdoor speaker system |
| Amplifier | Built-in |
| SNR | 60 |
| Power suppply | Built-in battery, powered by external power adapter (DC 9V / 1300 mA), powered by external battery (DC 12V) |
| Inputs | AUX (3.5mm minijack) |
| Karaoke | Yes, two microphone inputs (6.3 mm jack), volume controls and reverb (echo) |
| Controls | power on / off, buttons on the top panel (large buttons with blue backlight): next recording / radio station, previous recording / radio station, play / pause, mode selection (sound source), microphone sound recording; buttons on the rear panel: fully duplicated. Rear panel controls: overall volume, treble level, microphone volume, echo effect for microphones. |
| Indication | four character display on the back of the column (luminous red characters, dark display) |
| Color music | Yes, multicolor color music. Dynamic perimeter lighting |
| Loud speaker(s) | LF 8″ + HF 1.5″ |
| Power (W) | 35 |
| Impedance (Ohm) | 4Ω |
| Frequency range (Hz-kHz) | 20-20 |
| Run-out material | Paper |
| Case | Plastic, 3.5 mm |
| Grill | Black metallic |
| Case dimensions (H*L*D, mm) | 471*285*226 |
| Weight (Kg) | 4.30 |
| Supplied parts | sound system - 1 pc, power supply - 1 pc, user manual with warranty card - 1 pc, packing - 1 set |

Product card from www.dialoginvest.com