SoundTube SA502 50W Class D Amplifier
SoundTube | SKU: SOUNT-SA502
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Most orders placed before 10:00am PST will most likely ship out the same day. We work hard to process and ship your items quickly so you can start enjoying them as soon as possible.
Found a lower price? Contact us and we'll see if we can match it! Price match will only be applied to products sold and shipped by authorized retailers of the brand.
No restocking fee will be charged when you opt for store credit. Exclusions apply.
Condition: New
SoundTube SA502 50W Class D Amplifier
The SA502 delivers 2 × 50 W output into 8 Ω or 4 Ω loads with a maximum gain of 34 dB. It offers three operating modes—stereo, mono, and bridged mono—and three selectable inputs: balanced stereo (Euroblock), unbalanced mini-jack, and high-level Euroblock. An external 12–32 V trigger and signal-detecting auto-standby reduce power consumption in idle conditions.
Dual concentric gain controls allow independent channel adjustment, and a 120 Hz high-pass switch protects speakers from excessive low frequencies. Encased in a rugged aluminum housing, the SA502 is compact enough for discreet mounting yet robust for continuous commercial use.
Key Features
- Power Output: 50 W per channel @ 8 Ω or 4 Ω
- Gain: 34 dB maximum
- Operating Modes: Stereo, Mono, Bridged Mono
- Inputs: Balanced Euroblock, Stereo Mini-Jack, High-Level Euroblock
- Trigger: 12–32 V external, signal-detect auto-standby
- Controls: Dual concentric gain knobs
- Filter: 120 Hz high-pass switch
- Enclosure: Rugged aluminum housing
- Certifications: CE, RoHS, UL 60065, ETL-C/US, FCC
- Variation: Color: Black (UPC 644216202904)
Technical Specifications
- Frequency Response (± 3 dB): 20 Hz – 20 kHz
- Voltage Gain: 34 dB
- Input Impedance: 47 kΩ (line), 600 Ω (balanced)
- Output Connector: 3-pin Euroblock
- Power Requirements: 32 V DC, 3.75 A
- Included Accessories: 3-pin Euroblock, 4-pin Euroblock, mounting hardware, power supply, stereo RCA adapter
- Optional Accessories: Rack mount adapter (AC-SA502-RMA), 32 V DC power supply (AC-PS3240), regional power cords (AC-PSCORD-* )
What’s Included
- SA502 amplifier (black finish)
- 3-pin Euroblock connector
- 4-pin Euroblock connector
- Mounting hardware
- Power supply
- Stereo RCA adapter
