Description
TOPPING PA7 / PA7 Plus – High-Power Balanced Class D Power Amplifiers
Overview
The TOPPING PA7 and PA7 Plus are next-generation balanced Class D power amplifiers, designed to deliver clean, precise, and powerful sound for both desktop and full-size Hi-Fi systems. Using fully balanced circuitry and premium Infineon Class D modules, these amplifiers achieve exceptional dynamic performance and ultra-low distortion — all in a compact, beautifully machined aluminum chassis.
Whether you’re driving bookshelf speakers, near-field monitors, or large floor-standing speakers, the PA7 series offers stunning accuracy and musicality with up to 300W × 2 of balanced power output.
Key Features
⚡ High-Power Output, Compact Design
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PA7: Delivers up to 200W × 2 @ 4Ω or 100W × 2 @ 8Ω.
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PA7 Plus: Upgraded to 300W × 2 @ 4Ω and 220W × 2 @ 8Ω.
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Both models maintain an ultra-low THD+N < 0.0004%, providing pure, distortion-free sound even at high volumes.
🎛️ Fully Balanced Architecture
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Accepts XLR and TRS balanced inputs, ensuring better noise rejection and cleaner signal transmission.
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Perfect match for TOPPING E70, D70 Pro, D90 III, and other balanced DACs.
🔊 Class D Efficiency with Hi-Fi Transparency
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Utilizes advanced Infineon MA12070 Class D modules, delivering exceptional efficiency and cool operation while preserving analog warmth and clarity.
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Features relay protection and smart power management for reliable performance.
🧠 Precision Engineering & Build Quality
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CNC-machined aluminum housing for optimal shielding and heat dissipation.
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Compact form factor fits seamlessly into desktop or living-room systems.
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Trigger input/output allows synchronized power control with other TOPPING devices.
Specifications
| Parameter |
PA7 |
PA7 Plus |
| Output Power |
200W ×2 @ 4Ω / 100W ×2 @ 8Ω |
300W ×2 @ 4Ω / 220W ×2 @ 8Ω |
| THD+N |
< 0.0004% |
< 0.0004% |
| Dynamic Range |
137 dB |
140 dB |
| SNR |
125 dB |
128 dB |
| Inputs |
XLR, TRS |
XLR, TRS |
| Outputs |
Speaker Terminals (L/R) |
Speaker Terminals (L/R) |
| Frequency Response |
20 Hz – 40 kHz (±0.1 dB) |
20 Hz – 40 kHz (±0.1 dB) |
| Trigger In/Out |
Yes |
Yes |
| Dimensions |
240 × 170 × 45 mm |
240 × 170 × 45 mm |
| Weight |
1.8 kg |
1.8 kg |
Why Choose TOPPING PA7 / PA7 Plus
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Balanced Power & Precision: Pure, linear sound with reference-level accuracy.
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Perfect Companion to DACs: Pairs seamlessly with E70, D70 Pro, or D90 III.
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Compact yet Powerful: Up to 300W ×2 output in a sleek desktop-sized chassis.
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Audiophile Engineering: Extremely low distortion and high dynamic range rivaling amplifiers several times the price.
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Built to Last: Solid aluminum construction and intelligent protection circuitry ensure durability and stability.
