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Oscilloscope resolution matters: 8-bit (256 levels) vs 12-bit (4096) gives better detail, dynamic range, and lower noise for power, audio, embedded testing. Hanmatek AHO814: 4ch, 12-bit, 100MHz.

The Rigol DS1054Z and Hanmatek DOS1104 are popular 4-channel oscilloscopes for hobbyists and engineers. Rigol offers deeper memory, mature firmware, and strong community support, while Hanmatek provides native 110 MHz bandwidth and excellent value.

Choosing between a benchtop and handheld oscilloscope depends on your workspace and testing needs. Benchtop models excel in labs with higher bandwidth and advanced analysis, while handheld scopes offer portability for field diagnostics.