- Kramer PA-50HZ Power Amplifier (50W at 70/100V)
- Power adapter
- Power cord
Trusted & Verified
Kramer PA-50HZ Power Amplifier (50W at 70/100V)
- 50W Power Output
- Balanced Stereo I/O
- Input Level Adjustment
- Cascadable Line-Level Output
- Compact & Fanless Design
Powerful 70V or 100V Amplification
The PA−50HZ (PA−50Z) is a compact Class D power amplifier designed for Hi-Z (70V/100V) line systems, delivering a robust 50W output. Perfectly suited for small to medium-sized meeting rooms and classrooms, it ensures clear and consistent audio coverage over long cable runs without loss of signal quality.
Balanced Stereo Input and Output with Input Level Adjustment
Equipped with balanced stereo inputs and outputs, this amplifier allows precise control over input levels for optimal sound balance. This flexibility makes it easy to integrate with various audio sources while maintaining pristine audio fidelity and minimal noise interference.
Cascadable Line-Level Output for Flexible System Expansion
The PA−50HZ features a line-level output, enabling seamless cascading to additional amplifiers. This capability is ideal for expanding audio coverage, recording sessions, or conferencing setups, providing a versatile solution for growing audio system demands.
Compact Design with Efficient Cooling
Designed with a small form factor and convection cooling, the PA−50HZ offers simple installation without the need for additional cooling fans or complex mounting arrangements. Its quiet operation and space-saving design make it a perfect fit for discreet placement in any professional environment.
Reliable 50W Power Output for Clear Audio
With a consistent 50W power output into either a 70V or 100V line, this amplifier delivers clear and reliable sound performance. Whether for public address announcements, background music, or multimedia presentations, the PA−50HZ provides a dependable audio solution tailored to your space.
Kramer PA-50HZ Power Amplifier (50W at 70/100V)
Inputs
| 1 Stereo Balanced Audio | On a 5–pin terminal block (up to +4dBu/10kΩ) |
Outputs
| 1 Stereo Balanced Line Level | On a 5–pin terminal block connector (up to +4dBu/600Ω) |
| 1 Mono Speaker | On a 3–pin large terminal block |
Input Sensitivity
| Full power @1.5V (+5dBV) |
Amplifier
| Class | D |
| Output Power | 1 x 50W @ 70V or 100V |
| Maximum Voltage Gain | 37dB BTL |
| Dynamic Range | >120dB |
| Frequency Response | Speaker output 50Hz to 20kHz @ +/–3dB |
| Frequency Response | Line level output 20Hz to 20kHz @ +/–0.3dB |
| S/N Ratio | 90dB, 20 Hz — 20 kHz |
| Audio THD + Noise | Speaker output THD+N (1kHz @ 1W) 0.01 % |
| Audio 2nd Harmonic | 0.00006% |
| Controls | Screw trimmer input volume attenuator |
Power
| Consumption | 48V DC, 1.2A |
| Source | 48V DC, 1.36A |
Environmental Conditions
| Operating Temperature | 0° to +40°C (32° to 104°F) |
| Storage Temperature | –40° to +70°C (–40° to 158°F) |
| Humidity | 10% to 90%, RHL non-condensing |
Regulatory Compliance (Standards Compliance)
| Safety | CE, UL |
| Environmental | RoHs, WEEE |
Product Dimensions
| 10.68cm x 10.35cm x 4.36cm (4.20in x 4.07in x 1.72in ) W, D, H |
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Most in-stock orders placed before 1 PM EST Monday–Thursday ship the same business day. View Shipping Policy
Free Local Pickup
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Tab: Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.
