Four channels let you compare several rails, bus lines or phases at once. Most scopes here have two, so four-channel models cost more per MHz.
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Best 4-Channel Oscilloscopes: 50 to 99 MHz
- Rigol DHO804#1 of 3Full review
The four-channel DHO800 for debugging several rails or buses at once.
Amazon $459$45970 MHz1.2 GSa/s4Bench - Siglent SDS804X HD#2 of 3Full review
A 12-bit scope for power supply and sensor work where resolution and memory beat raw bandwidth.
Amazon $461$46170 MHz2 GSa/s4Bench - Rigol DS1054Z#3 of 3Full review
A long-time hobbyist favorite for four-channel work, but newer 12-bit scopes now cost about the same.
Amazon $369$36950 MHz1 GSa/s4Bench
Best 4-Channel Oscilloscopes: 100 MHz and up
- Hantek TO1254D#1 of 4Full review
A 4-channel tablet scope that pulls scope, meter and generator together for automotive and power electronics.
Amazon $549$549250 MHz1 GSa/s4Tablet - Micsig STO1004#2 of 4Full review
A rugged 4-channel tablet for automotive and field diagnostics where deep memory and portability justify the cost.
Amazon $643.99$643.99100 MHz1 GSa/s4Tablet - OWON SDS1104#3 of 4Full review
A cheap four-channel bench scope for multi-signal debugging where memory depth is secondary.
Amazon $259$259100 MHz1 GSa/s4Bench - Siglent SDS1104X-E#4 of 4Full review
A trusted four-channel entry lab scope for people who value a major brand and its decoders over low price.
Amazon $499$499100 MHz-4Bench