Updated 14 May 2026
| Brand | the box pro |
| Category | PA Equipment > PA Speakers > Active Subwoofers |
| Available at | 1 UK stores |
| 90-day avg | £1792.00 |
the box pro
the box pro A 121 LA Subwoofer
£1794.00Fair Price
Cheapest at Thomann · 1 store
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PRICE HISTORY
Current
£1742
Change
+10.1%
Avg
£1671
Low
£1582
High
£1743
Volatility
2.4%
PRODUCT DESCRIPTION
- the box pro A 121 LA Subwoofer
- Active 21" Bandpass Sub-Woofer
- With Eighteensound Transducer made in Italy
- Power: 2800 watts (RMS)
- Frequency response: 35 - 100 Hz (+- 3dB, depending on processor settings)
- Max. sound pressure level: 131 dB @ 1 m
- Class D amplifier with SMPS
- Water-repellent membrane coating
- With 4"" diaphragm compression driver
- XLR input and output
- Power Twist input and output
- RJ45 input and output (EtherCon) for control via PRONET software
- Compact 18 mm birch Multiplex housing
- Dimensions (W x H x D): 754 x 511 x 770 mm
- Weight including castors: Approx. 67.3 kg
- Finish: Textured paint finish
- Colour: Black
- Includes four 100 mm heavy duty castors@+*Note:* Power cord not included. A matching splash-proof Power Twist connector is included."