Pro-Ject
Accu Box S2 Battery Power Supply Upgrade
The Pro-Ject Accu Box S2 Battery Power Supply offers a clean and accurate power source for your phono electronics and turntables. By utilizing rechargeable Li-Pol battery technology, it eliminates disturbing interferences from household AC power lines, resulting in a more homogeneous and spacious sound with improved separation and imaging. This power supply features over-charge, over-discharge, and over-current protections for battery longevity. It provides a 2.5mm 18V output for phono preamplifiers and turntables, as well as a 5V USB A output for compatible digital devices. The unit is housed in a full aluminum/metal casework.
$399.00
Owner Satisfaction
4.3
/ 5
Category Rank
478
/ 491
#478 in Phono Preamps
Price vs Category Average
-94%
Below average
Output voltage
11812.5151
/ x V/A (mm), x V/A (USB A)
Who it's for
- Ultra-Clean Power Delivery
- Consistent, Stable Performance
- Seamless System Integration
Who should skip it
- Significant Investment Cost
- Requires Periodic Recharging
- Limited Component Compatibility
Key Specs
Output voltage
1x 18V/1A (2.5mm), 1x 5V/1A (USB A)
Battery capacity
2600mAh (5 cells)
Charging time
3 hours (outputs disabled)
External battery charger output
21V
Dimensions
4.0" x 1.4" x 4.2"
Weight
1.2 lbs
Chassis material
Aluminum/Metal
Power source
Battery
Features
- Provides clean and accurate power for phono products, enhancing soundstage, separation, and imaging.
- Utilizes rechargeable Li-Pol battery technology for noise-free power transmission.
- Offers over-charge, over-discharge, and over-current protection for battery longevity.
- Includes a 2.5mm 18V output for phono preamplifiers and turntables.
- Features a 5V USB A output for compatible Pro-Ject digital devices.
- Front push button to enable/disable rear outputs with LED indication.
- Durable aluminum and metal casework.
What customers say
Customers consistently praise the Accu Box S2 for its significant impact on audio performance. The clean, stable battery power elevates the listening experience, offering noticeable improvements in clarity and background silence, especially when paired with compatible Pro Ject components. Users feel this upgrade delivers on its promise of high quality sound reproduction. While it is a premium investment, the reliability of the power delivery system makes it a worthwhile addition for serious audiophiles seeking peak performance from their setup.
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