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Side-by-side financial comparison of KOSS CORP (KOSS) and Solid Power, Inc. (SLDP). Click either name above to swap in a different company.
Solid Power, Inc. is the larger business by last-quarter revenue ($3.6M vs $2.9M, roughly 1.3× KOSS CORP). On growth, Solid Power, Inc. posted the faster year-over-year revenue change (-18.6% vs -19.6%). KOSS CORP produced more free cash flow last quarter ($-1.1M vs $-23.0M). Over the past eight quarters, KOSS CORP's revenue compounded faster (4.2% CAGR vs -21.9%).
Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.
Solid Energy was the largest coal mining company in New Zealand and is a state owned enterprise of the New Zealand Government.
KOSS vs SLDP — Head-to-Head
Income Statement — Q2 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $2.9M | $3.6M |
| Net Profit | $-565.4K | — |
| Gross Margin | 29.0% | — |
| Operating Margin | -35.5% | -730.1% |
| Net Margin | -19.8% | — |
| Revenue YoY | -19.6% | -18.6% |
| Net Profit YoY | -700.6% | — |
| EPS (diluted) | $-0.06 | $-0.15 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $2.9M | $3.6M | ||
| Q3 25 | $4.1M | $3.7M | ||
| Q2 25 | $3.1M | $6.5M | ||
| Q1 25 | $2.8M | $6.0M | ||
| Q4 24 | $3.6M | $4.5M | ||
| Q3 24 | $3.2M | $4.7M | ||
| Q2 24 | $2.9M | $5.1M | ||
| Q1 24 | $2.6M | $6.0M |
| Q4 25 | $-565.4K | — | ||
| Q3 25 | $243.7K | $-25.9M | ||
| Q2 25 | $-232.7K | $-25.3M | ||
| Q1 25 | $-316.7K | $-15.2M | ||
| Q4 24 | $94.1K | — | ||
| Q3 24 | $-419.5K | $-22.4M | ||
| Q2 24 | $-110.4K | $-22.3M | ||
| Q1 24 | $-313.8K | $-21.2M |
| Q4 25 | 29.0% | — | ||
| Q3 25 | 40.0% | — | ||
| Q2 25 | 36.0% | — | ||
| Q1 25 | 39.0% | — | ||
| Q4 24 | 39.5% | — | ||
| Q3 24 | 36.6% | — | ||
| Q2 24 | 40.4% | — | ||
| Q1 24 | 31.9% | — |
| Q4 25 | -35.5% | -730.1% | ||
| Q3 25 | -1.1% | -654.4% | ||
| Q2 25 | -14.2% | -398.9% | ||
| Q1 25 | -18.7% | -399.4% | ||
| Q4 24 | -4.0% | -561.1% | ||
| Q3 24 | -19.9% | -593.2% | ||
| Q2 24 | -11.0% | -530.8% | ||
| Q1 24 | -23.1% | -433.1% |
| Q4 25 | -19.8% | — | ||
| Q3 25 | 6.0% | -693.1% | ||
| Q2 25 | -7.5% | -390.7% | ||
| Q1 25 | -11.4% | -251.8% | ||
| Q4 24 | 2.6% | — | ||
| Q3 24 | -13.1% | -482.0% | ||
| Q2 24 | -3.8% | -438.9% | ||
| Q1 24 | -11.9% | -356.2% |
| Q4 25 | $-0.06 | $-0.15 | ||
| Q3 25 | $0.03 | $-0.14 | ||
| Q2 25 | $-0.02 | $-0.14 | ||
| Q1 25 | $-0.03 | $-0.08 | ||
| Q4 24 | $0.01 | $-0.16 | ||
| Q3 24 | $-0.05 | $-0.13 | ||
| Q2 24 | $-0.01 | $-0.13 | ||
| Q1 24 | $-0.03 | $-0.12 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $15.5M | $250.8M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $30.3M | $415.7M |
| Total Assets | $36.8M | $455.1M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $15.5M | $250.8M | ||
| Q3 25 | $16.5M | $251.2M | ||
| Q2 25 | $15.7M | $230.9M | ||
| Q1 25 | $13.0M | $240.9M | ||
| Q4 24 | $9.7M | $118.2M | ||
| Q3 24 | $11.9M | $132.0M | ||
| Q2 24 | $14.9M | $140.5M | ||
| Q1 24 | $9.9M | $146.6M |
| Q4 25 | $30.3M | $415.7M | ||
| Q3 25 | $30.9M | $381.2M | ||
| Q2 25 | $30.6M | $370.6M | ||
| Q1 25 | $30.7M | $397.1M | ||
| Q4 24 | $31.0M | $410.3M | ||
| Q3 24 | $30.8M | $439.4M | ||
| Q2 24 | $31.1M | $456.8M | ||
| Q1 24 | $31.1M | $479.4M |
| Q4 25 | $36.8M | $455.1M | ||
| Q3 25 | $37.7M | $416.1M | ||
| Q2 25 | $37.2M | $398.0M | ||
| Q1 25 | $37.3M | $419.4M | ||
| Q4 24 | $37.4M | $448.3M | ||
| Q3 24 | $38.1M | $470.9M | ||
| Q2 24 | $37.2M | $492.6M | ||
| Q1 24 | $37.6M | $516.2M |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-760.8K | $-18.4M |
| Free Cash FlowOCF − Capex | $-1.1M | $-23.0M |
| FCF MarginFCF / Revenue | -37.5% | -633.0% |
| Capex IntensityCapex / Revenue | 10.9% | 126.5% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-546.7K | $-83.6M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-760.8K | $-18.4M | ||
| Q3 25 | $762.6K | $-14.3M | ||
| Q2 25 | $-534.9K | $-14.4M | ||
| Q1 25 | $370.4K | $-26.3M | ||
| Q4 24 | $-252.0K | $-13.9M | ||
| Q3 24 | $201.6K | $-9.9M | ||
| Q2 24 | $-174.0K | $-11.1M | ||
| Q1 24 | $328.6K | $-29.1M |
| Q4 25 | $-1.1M | $-23.0M | ||
| Q3 25 | $761.5K | $-14.8M | ||
| Q2 25 | $-541.8K | $-17.1M | ||
| Q1 25 | $306.2K | $-28.6M | ||
| Q4 24 | $-314.3K | $-18.6M | ||
| Q3 24 | $-155.6K | $-12.6M | ||
| Q2 24 | $-174.8K | $-15.5M | ||
| Q1 24 | $269.3K | $-33.1M |
| Q4 25 | -37.5% | -633.0% | ||
| Q3 25 | 18.7% | -397.6% | ||
| Q2 25 | -17.6% | -264.2% | ||
| Q1 25 | 11.0% | -476.1% | ||
| Q4 24 | -8.8% | -416.5% | ||
| Q3 24 | -4.9% | -271.5% | ||
| Q2 24 | -6.0% | -305.8% | ||
| Q1 24 | 10.2% | -556.3% |
| Q4 25 | 10.9% | 126.5% | ||
| Q3 25 | 0.0% | 15.3% | ||
| Q2 25 | 0.2% | 41.5% | ||
| Q1 25 | 2.3% | 39.1% | ||
| Q4 24 | 1.8% | 105.5% | ||
| Q3 24 | 11.2% | 59.7% | ||
| Q2 24 | 0.0% | 86.8% | ||
| Q1 24 | 2.3% | 68.1% |
| Q4 25 | — | — | ||
| Q3 25 | 3.13× | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | -2.68× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
