icon: Free Tracked Delivery
Free Tracked Delivery
On orders over £50
icon: Price Match Promise
Price Match Promise
Read our guarantee
icon: Trading Online
Trading Online
For over 20 years!
icon: Excellent Reviews
Excellent Reviews
Check our latest reviews
Need help?
Est. 2002
3 3 year(s) warranty
3 Year(s) Warranty On this product
Call for delivery times
In stock Call for delivery times
Free UK Delivery
Delivery Free UK Delivery
Returns
Returns Hassle-free returns mean that you can shop in confidence that if you need to return an item, it's easy.
This product comes with FREE UK Saver Delivery!

IMG Stageline STA-400D PA Amplifier 2 x 325W Max.

In stock
New
Special Offer
Sold out
Pre-order
Code: 25.5190
RRP: £0.00
Our price:
£358.80 inc. VAT
£299.00 + VAT


Order within
D H M S
Dispatches
Today
Next Day Delivery
Mon 31st Mar (£11.99)
Visa
Mastercard
American Express
PayPal
Apple Pay
Google Pay
Please complete the options highlighted in red.
  • Standard Delivery - Mon 31st Mar - Wed 2nd Apr
    £6.50
  • UK Saver Delivery - Wed 2nd Apr - Tue 8th Apr
    £3.95 or FREE when you spend £50.00
More delivery options will be available in the checkout
Need any help?
Delivery
Returns
Need any help?
Ask any question you need help with and we will get back to you
Delivery
Free tracked delivery on all orders over £50.
Full delivery details
Returns
Hassle-free returns mean that you can shop in confidence that if you need to return an item, it's easy.
Read our returns policy

IMG Stageline STA-400D Stereo Class-D PA Amplifier

Overview

The IMG Stageline STA-400D is a high-performance stereo Class-D PA amplifier designed for both fixed installations and mobile applications. It delivers robust power output with exceptional energy efficiency, making it ideal for use in professional audio environments. The amplifier's lightweight design and quiet operation cater to audio professionals seeking reliability and portability.

Design and Build Quality

It is constructed with a compact 19-inch, 1U steel chassis, ensuring durability while maintaining a slim profile suitable for rack-mounted setups. The front panel features two level controls and LED indicators for power, overload (clip), and protection status, allowing easy operation and monitoring. Temperature-controlled fans ensure quiet cooling, enhancing the amplifier's suitability for noise-sensitive environments.

Key Technologies and Features

Specifications

Specification Details
Peak Output Power 700 W
Power Rating 540 W
Power Rating at 4 Ω 2 x 270 W
Power Rating at 8 Ω 2 x 180 W
Channels 2
Inputs 1 V/10 kΩ (XLR, balanced); 1 V/4.7 kΩ (RCA)
Frequency Range 20 Hz - 20 kHz
Signal-to-Noise Ratio > 110 dB(A)
Total Harmonic Distortion < 0.02%
Power Supply ~230 V/50 Hz/600 VA
Dimensions (W x H x D) 482 x 52 x 277 mm
Weight 3.5 kg
Connections 1 x 3-pole XLR L/R; 1 x RCA L/R; 1 x NEUTRIK SPEAKON L/R; 2 x pair of screw terminals

Performance and User Experience

The STA-400D delivers clear and dynamic audio reproduction, with a powerful bass response attributed to its substantial power reserves. Users appreciate its easy setup and operation, as well as its reliability in various settings. The amplifier's quiet operation and lightweight design make it particularly suitable for applications where both performance and portability are essential.

Q&A Section

Q: What type of venues is the STA-400D suitable for?

A: The STA-400D is ideal for conference halls, auditoriums, event spaces, and other venues requiring high-quality audio amplification.

Q: Can the STA-400D be mounted in a standard equipment rack?

A: Yes, the amplifier features a 19-inch, 1U chassis that is perfectly suited for standard rack mounting, making it convenient for professional installations.

Q: What types of inputs does the STA-400D support?

A: It supports both balanced XLR and unbalanced RCA inputs, allowing flexible connectivity with a wide range of audio equipment.

Q: Is the STA-400D energy efficient?

A: Yes, it is. Its Class-D amplification and use of HYPEX modules ensure high efficiency, reducing power consumption and heat output.

Q: Does it include protection against common faults?

A: Yes, the STA-400D includes protection against short circuits and overheating, ensuring long-term reliability and safety.


Previous product: IMG Stageline Entry Level Podcast Recording Kit
IMG Stageline Entry Level Podcast Recording Kit
Copyright © 2025 H7 Media Systems Ltd (Company Reg. 05027639)
categories

Sign up to our newsletter
Join our newsletter banner image
Subscribe to our newsletter to receive our latest news, discounts and promotions. Unsubscribe at any time.
Your basket was updated...
Just added product image
Product name
Code: XXXX
£0.00 + VAT
You also added:
Checkout Now
Continue Shopping
Need Help?
Need Help?
Enter your details and we will get back to you.