HD Series
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- 4 channel high performance amplifier
- Silent cooling system
- High-current power supplies
- Rugged construction (engineered to professional standards)
- Suitable for cinema, installations, and touring
- Designed and made in England
- 6-year warranty
FFA HD Series Amplifiers
The FFA HD Series represents the pinnacle of four-channel high-performance amplification, designed for the most demanding audio applications. Whether installed in premium cinema sound systems, high-quality commercial installations, or professional touring systems, the HD Series delivers absolute reliability and sonic excellence in every environment.
Built with FFA’s rugged high-current power supplies and featuring a newly developed silent cooling system, every HD Series amplifier is equally at home in noise-sensitive installation environments and demanding touring applications. Designed and made in England with a 6-year warranty.
Silent Cooling System
A newly developed silent cooling system makes the HD Series ideal for noise-sensitive environments including residential cinemas, conference rooms, and broadcast facilities, without compromising touring-grade reliability.
6-Year Factory Warranty
Every FFA HD Series amplifier is backed by a full 6-year factory warranty, reflecting the confidence placed in the quality of materials, engineering, and construction behind each unit.
Built for Sonic Excellence and Long-Term Reliability
The FFA HD Series is engineered to the same exacting mechanical standards as FFA’s renowned professional live sound and night venue products. High-current power supplies deliver effortless control over the lowest musical notes, cinematic audio effects, and dynamic live performances, ensuring every application from residential cinema to large-scale touring is served with the same level of performance.
HD Series Amplifier Specifications
| Power Ratings | 4 x 500W @ 4Ω | 4 x 250W @ 8Ω | 4 x 1000W @ 2Ω | Channel pairs bridgeable for high-power 8Ω subwoofers |
| Gain | 20 dB |
| THD | THD+N typical 0.03% @ 4 Ohms 1kHz |
| Frequency Response | 20Hz – 20kHz ±0.5dB |
| Controls | 40-point Potentiometer per channel | Power on switch |
| Indicators | Green: -20dB | Yellow: -3dB | Red: Clip | Red: Protect/Over Current/Low Mains | 3s Mute on Power Up |
| Load Protection | DC on output | Precision clip limiter circuit |
| Amplifier Protection | Short circuit | Current overload | Thermal shutdown | High frequency stability circuit |
| Audio Inputs | Balanced Neutrik® Female XLR per channel | Pin 1: GND | Pin 2: Hot+ | Pin 3: Cold- |
| Audio Outputs | Neutrik® speakON per channel | Ch. 1 & 3: 2+/2- for bi-amp systems | Bridged output |
| Power Requirement | 1x Neutrik® 20A powerCON | 1x 16A 230VAC Circuit | Power range: 185V-230VAC (120V factory config) |
| System Cooling | High CFM 80mm fan | Proportional signal speed control | Rear-to-front airflow |
| Dimensions | 88H x 483W x 510D mm | 19″ rack mount | Includes rear rack support |
| Weight | 10 kg |
| Warranty | 6 years factory warranty | Designed and made in England |
| Suitable Applications | Premium cinema | Commercial cinema | Live theatre | Conference | AV | Night venues | Cruise ships | Touring |
| Power Ratings | 4 x 1250W @ 4Ω | 4 x 625W @ 8Ω | Channel pairs bridgeable for high-power 8Ω subwoofers |
| Gain | 32 dB |
| THD | THD+N typical 0.03% @ 4 Ohms 1kHz |
| Frequency Response | 20Hz – 20kHz ±0.5dB |
| Controls | 40-point Potentiometer per channel | Power on switch |
| Indicators | Green: -20dB | Yellow: -3dB | Red: Clip | Red: Protect/Over Current/Low Mains | 3s Mute on Power Up |
| Load Protection | DC on output | Precision clip limiter circuit |
| Amplifier Protection | Short circuit | Current overload | Thermal shutdown | High frequency stability circuit |
| Audio Inputs | Balanced Neutrik® Female XLR per channel | Pin 1: GND | Pin 2: Hot+ | Pin 3: Cold- |
| Audio Outputs | Neutrik® speakON per channel | Ch. 1 & 3: 2+/2- for bi-amp systems | Bridged output |
| Power Requirement | 1x Neutrik® 20A powerCON | 1x 16A 230VAC Circuit | Power range: 185V-230VAC (120V factory config) |
| System Cooling | High CFM 80mm fan | Proportional signal speed control | Rear-to-front airflow |
| Dimensions | 88H x 483W x 510D mm | 19″ rack mount | Includes rear rack support |
| Weight | 10 kg |
| Warranty | 6 years factory warranty | Designed and made in England |
| Suitable Applications | Premium cinema | Commercial cinema | Live theatre | Conference | AV | Night venues | Cruise ships | Touring |
| Power Ratings | 4 x 2000W @ 4Ω | 4 x 1000W @ 8Ω | Channel pairs bridgeable for high-power 8Ω subwoofers |
| Gain | 28 dB |
| THD | THD+N typical 0.03% @ 4 Ohms 1kHz |
| Frequency Response | 20Hz – 20kHz ±0.5dB |
| Controls | 40-point Potentiometer per channel | Power on switch |
| Indicators | Green: -20dB | Yellow: -3dB | Red: Clip | Red: Protect/Over Current/Low Mains | 3s Mute on Power Up |
| Load Protection | DC on output | Precision clip limiter circuit |
| Amplifier Protection | Short circuit | Current overload | Thermal shutdown | High frequency stability circuit |
| Audio Inputs | Balanced Neutrik® Female XLR per channel | Pin 1: GND | Pin 2: Hot+ | Pin 3: Cold- |
| Audio Outputs | Neutrik® speakON per channel | Ch. 1 & 3: 2+/2- for bi-amp systems | Bridged output |
| Power Requirement | 1x Neutrik® 20A powerCON | 1x 16A 230VAC Circuit | Power range: 185V-230VAC (120V factory config) |
| System Cooling | High CFM 80mm fan | Proportional signal speed control | Rear-to-front airflow |
| Dimensions | 88H x 483W x 510D mm | 19″ rack mount | Includes rear rack support |
| Weight | 10 kg |
| Warranty | 6 years factory warranty | Designed and made in England |
| Suitable Applications | Premium cinema | Commercial cinema | Live theatre | Conference | AV | Night venues | Cruise ships | Touring |
Ready to Experience the HD Difference?
The FFA HD Series is available through authorised Full Fat Audio distributors. Contact us to discuss your application, request technical support, or obtain a quotation for any HD Series model.